Merge pull request #4791 from epage/builder

refactor: Split out clap_builder for faster derive builds
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Ed Page 2023-03-27 11:32:10 -05:00 committed by GitHub
commit 9712987b80
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64 changed files with 891 additions and 305 deletions

36
Cargo.lock generated
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@ -176,10 +176,35 @@ dependencies = [
[[package]]
name = "clap"
version = "4.1.13"
dependencies = [
"clap_builder",
"clap_derive",
"humantime",
"once_cell",
"rustversion",
"shlex",
"snapbox",
"static_assertions",
"trybuild",
"trycmd",
"unic-emoji-char",
]
[[package]]
name = "clap_bench"
version = "0.0.0"
dependencies = [
"clap 4.1.13",
"criterion",
"lazy_static",
]
[[package]]
name = "clap_builder"
version = "4.1.13"
dependencies = [
"backtrace",
"bitflags",
"clap_derive",
"clap_lex 0.3.3",
"humantime",
"is-terminal",
@ -198,15 +223,6 @@ dependencies = [
"unicode-width",
]
[[package]]
name = "clap_bench"
version = "0.0.0"
dependencies = [
"clap 4.1.13",
"criterion",
"lazy_static",
]
[[package]]
name = "clap_complete"
version = "4.1.5"

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@ -1,6 +1,7 @@
[workspace]
members = [
"clap_bench",
"clap_builder",
"clap_derive",
"clap_lex",
"clap_complete",
@ -70,45 +71,37 @@ default = [
"error-context",
"suggestions",
]
debug = ["clap_derive?/debug", "dep:backtrace"] # Enables debug messages
unstable-doc = ["derive", "cargo", "wrap_help", "env", "unicode", "string", "unstable-replace"] # for docs.rs
debug = ["clap_builder/debug", "clap_derive?/debug"] # Enables debug messages
unstable-doc = ["clap_builder/unstable-doc", "derive"] # for docs.rs
# Used in default
std = [] # support for no_std in a backwards-compatible way
color = ["dep:is-terminal", "dep:termcolor"]
help = []
usage = []
error-context = []
suggestions = ["dep:strsim", "error-context"]
std = ["clap_builder/std"] # support for no_std in a backwards-compatible way
color = ["clap_builder/color"]
help = ["clap_builder/help"]
usage = ["clap_builder/usage"]
error-context = ["clap_builder/error-context"]
suggestions = ["clap_builder/suggestions"]
# Optional
deprecated = ["clap_derive?/deprecated"] # Guided experience to prepare for next breaking release (at different stages of development, this may become default)
deprecated = ["clap_builder/deprecated", "clap_derive?/deprecated"] # Guided experience to prepare for next breaking release (at different stages of development, this may become default)
derive = ["dep:clap_derive", "dep:once_cell"]
cargo = ["dep:once_cell"] # Disable if you're not using Cargo, enables Cargo-env-var-dependent macros
wrap_help = ["help", "dep:terminal_size"]
env = [] # Use environment variables during arg parsing
unicode = ["dep:unicode-width", "dep:unicase"] # Support for unicode characters in arguments and help messages
string = [] # Allow runtime generated strings
cargo = ["clap_builder/cargo"] # Disable if you're not using Cargo, enables Cargo-env-var-dependent macros
wrap_help = ["clap_builder/wrap_help"]
env = ["clap_builder/env"] # Use environment variables during arg parsing
unicode = ["clap_builder/unicode"] # Support for unicode characters in arguments and help messages
string = ["clap_builder/string"] # Allow runtime generated strings
# In-work features
unstable-replace = []
unstable-grouped = []
unstable-v5 = ["clap_derive?/unstable-v5", "deprecated"]
unstable-replace = ["clap_builder/unstable-replace"]
unstable-grouped = ["clap_builder/unstable-grouped"]
unstable-v5 = ["clap_builder/unstable-v5", "clap_derive?/unstable-v5", "deprecated"]
[lib]
bench = false
[dependencies]
clap_builder = { path = "./clap_builder", version = "=4.1.13", default-features = false }
clap_derive = { path = "./clap_derive", version = "=4.1.12", optional = true }
clap_lex = { path = "./clap_lex", version = "0.3.0" }
bitflags = "1.2.0"
unicase = { version = "2.6.0", optional = true }
strsim = { version = "0.10.0", optional = true }
is-terminal = { version = "0.4.1", optional = true }
termcolor = { version = "1.1.1", optional = true }
terminal_size = { version = "0.2.1", optional = true }
backtrace = { version = "0.3.67", optional = true }
unicode-width = { version = "0.1.9", optional = true }
once_cell = { version = "1.12.0", optional = true }
[dev-dependencies]

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@ -0,0 +1,3 @@
# How to Contribute
See the [clap-wide CONTRIBUTING.md](../CONTRIBUTING.md). This will contain `clap_builder` specific notes.

89
clap_builder/Cargo.toml Normal file
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@ -0,0 +1,89 @@
[package]
name = "clap_builder"
version = "4.1.13"
description = "A simple to use, efficient, and full-featured Command Line Argument Parser"
repository = "https://github.com/clap-rs/clap"
categories = ["command-line-interface"]
keywords = [
"argument",
"cli",
"arg",
"parser",
"parse"
]
license.workspace = true
edition.workspace = true
rust-version.workspace = true
include.workspace = true
[package.metadata.docs.rs]
features = ["unstable-doc"]
rustdoc-args = ["--cfg", "docsrs"]
cargo-args = ["-Zunstable-options", "-Zrustdoc-scrape-examples"]
[package.metadata.playground]
features = ["unstable-doc"]
[package.metadata.release]
shared-version = true
dependent-version = "upgrade"
tag-name = "v{{version}}"
[features]
default = [
"std",
"color",
"help",
"usage",
"error-context",
"suggestions",
]
debug = ["dep:backtrace"] # Enables debug messages
unstable-doc = ["cargo", "wrap_help", "env", "unicode", "string", "unstable-replace"] # for docs.rs
# Used in default
std = [] # support for no_std in a backwards-compatible way
color = ["dep:is-terminal", "dep:termcolor"]
help = []
usage = []
error-context = []
suggestions = ["dep:strsim", "error-context"]
# Optional
deprecated = [] # Guided experience to prepare for next breaking release (at different stages of development, this may become default)
cargo = ["dep:once_cell"] # Disable if you're not using Cargo, enables Cargo-env-var-dependent macros
wrap_help = ["help", "dep:terminal_size"]
env = [] # Use environment variables during arg parsing
unicode = ["dep:unicode-width", "dep:unicase"] # Support for unicode characters in arguments and help messages
string = [] # Allow runtime generated strings
# In-work features
unstable-replace = []
unstable-grouped = []
unstable-v5 = ["deprecated"]
[lib]
bench = false
[dependencies]
clap_lex = { path = "../clap_lex", version = "0.3.0" }
bitflags = "1.2.0"
unicase = { version = "2.6.0", optional = true }
strsim = { version = "0.10.0", optional = true }
is-terminal = { version = "0.4.1", optional = true }
termcolor = { version = "1.1.1", optional = true }
terminal_size = { version = "0.2.1", optional = true }
backtrace = { version = "0.3.67", optional = true }
unicode-width = { version = "0.1.9", optional = true }
once_cell = { version = "1.12.0", optional = true }
[dev-dependencies]
trybuild = "1.0.77"
rustversion = "1.0.12"
# Cutting out `filesystem` feature
trycmd = { version = "0.14.15", default-features = false, features = ["color-auto", "diff", "examples"] }
humantime = "2.1.0"
snapbox = "0.4.10"
shlex = "1.1.0"
static_assertions = "1.1.0"
unic-emoji-char = "0.9.0"

201
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@ -0,0 +1,201 @@
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The MIT License (MIT)
Copyright (c) 2015-2022 Kevin B. Knapp and Clap Contributors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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SOFTWARE.

24
clap_builder/README.md Normal file
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@ -0,0 +1,24 @@
# clap_builder
Builder implementation for clap.
[docs.rs](https://docs.rs/clap)
- [Derive Tutorial](https://docs.rs/clap/latest/clap/_derive/_tutorial/index.html)
- [Derive Reference](https://docs.rs/clap/latest/clap/_derive/index.html)
## License
Licensed under either of
- Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or <https://www.apache.org/licenses/LICENSE-2.0>)
- MIT license ([LICENSE-MIT](LICENSE-MIT) or <https://opensource.org/licenses/MIT>)
at your option.
### Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
dual licensed as above, without any additional terms or conditions.
See [CONTRIBUTING](CONTRIBUTING.md) for more details.

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@ -4,6 +4,7 @@
///
/// ```rust
/// # #[cfg(feature = "help")] {
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// let cmd = Command::new("mycmd")
@ -35,6 +36,7 @@ pub enum ArgAction {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// let cmd = Command::new("mycmd")
@ -57,6 +59,7 @@ pub enum ArgAction {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// let cmd = Command::new("mycmd")
@ -88,6 +91,7 @@ pub enum ArgAction {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// let cmd = Command::new("mycmd")
@ -115,6 +119,7 @@ pub enum ArgAction {
/// You can use [`TypedValueParser::map`][crate::builder::TypedValueParser::map] to have the
/// flag control an application-specific type:
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// # use clap::builder::TypedValueParser as _;
@ -161,6 +166,7 @@ pub enum ArgAction {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// let cmd = Command::new("mycmd")
@ -195,6 +201,7 @@ pub enum ArgAction {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// let cmd = Command::new("mycmd")
@ -227,6 +234,7 @@ pub enum ArgAction {
///
/// ```rust
/// # #[cfg(feature = "help")] {
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// let cmd = Command::new("mycmd")
@ -253,6 +261,7 @@ pub enum ArgAction {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// let cmd = Command::new("mycmd")

View file

@ -39,6 +39,7 @@ use crate::INTERNAL_ERROR_MSG;
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Arg, arg, ArgAction};
/// // Using the traditional builder pattern and setting each option manually
/// let cfg = Arg::new("config")
@ -99,6 +100,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Arg::new("config")
/// # ;
@ -130,6 +132,7 @@ impl Arg {
/// argument via a single hyphen (`-`) such as `-c`:
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("config")
@ -144,6 +147,7 @@ impl Arg {
///
/// To use `-h` for your own flag and still have help:
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .disable_help_flag(true)
@ -190,6 +194,7 @@ impl Arg {
/// Setting `long` allows using the argument via a double hyphen (`--`) such as `--config`
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -216,6 +221,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("test")
@ -245,6 +251,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("test")
@ -275,6 +282,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("test")
@ -303,6 +311,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("test")
@ -332,6 +341,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("test")
@ -361,6 +371,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("test")
@ -390,6 +401,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("test")
@ -416,6 +428,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("test")
@ -460,6 +473,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Arg::new("config")
/// .index(1)
@ -467,6 +481,7 @@ impl Arg {
/// ```
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("mode")
@ -507,6 +522,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg};
/// let m = Command::new("myprog")
/// .arg(arg!(<cmd> ... "commands to run").trailing_var_arg(true))
@ -552,6 +568,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Arg, ArgAction};
/// Arg::new("args")
/// .action(ArgAction::Set)
@ -563,6 +580,7 @@ impl Arg {
/// and requires that the `--` syntax be used to access it early.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("first"))
@ -584,6 +602,7 @@ impl Arg {
/// failing to use the `--` syntax results in an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("first"))
@ -625,6 +644,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// Arg::new("config")
/// .required(true)
@ -634,6 +654,7 @@ impl Arg {
/// Setting required requires that the argument be used at runtime.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -650,6 +671,7 @@ impl Arg {
/// Setting required and then *not* supplying that argument at runtime is an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -682,6 +704,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// Arg::new("config")
/// .requires("input")
@ -693,6 +716,7 @@ impl Arg {
/// required
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -710,6 +734,7 @@ impl Arg {
/// Setting [`Arg::requires(name)`] and *not* supplying that argument is an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -742,6 +767,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// Arg::new("config")
/// .exclusive(true)
@ -752,6 +778,7 @@ impl Arg {
/// is an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("exclusive")
@ -792,6 +819,7 @@ impl Arg {
/// want to clutter the source with three duplicate [`Arg`] definitions.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("verb")
@ -861,6 +889,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// let cmd = Command::new("mycmd")
@ -901,6 +930,7 @@ impl Arg {
/// The default value is [`ValueParser::string`][crate::builder::ValueParser::string].
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::ArgAction;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
@ -979,6 +1009,7 @@ impl Arg {
///
/// Option:
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("prog")
/// .arg(Arg::new("mode")
@ -993,6 +1024,7 @@ impl Arg {
///
/// Flag/option hybrid (see also [default_missing_value][Arg::default_missing_value])
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let cmd = Command::new("prog")
/// .arg(Arg::new("mode")
@ -1022,6 +1054,7 @@ impl Arg {
///
/// Tuples
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let cmd = Command::new("prog")
/// .arg(Arg::new("file")
@ -1048,6 +1081,7 @@ impl Arg {
/// A common mistake is to define an option which allows multiple values and a positional
/// argument.
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let cmd = Command::new("prog")
/// .arg(Arg::new("file")
@ -1076,6 +1110,7 @@ impl Arg {
/// A solution for the example above is to limit how many values with a maximum, or specific
/// number, or to say [`ArgAction::Append`] is ok, but multiple values are not.
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("file")
@ -1118,6 +1153,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Arg::new("cfg")
/// .long("config")
@ -1126,6 +1162,7 @@ impl Arg {
/// ```
///
/// ```rust
/// # use clap_builder as clap;
/// # #[cfg(feature = "help")] {
/// # use clap::{Command, Arg};
/// let m = Command::new("prog")
@ -1182,6 +1219,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Arg::new("speed")
/// .short('s')
@ -1189,6 +1227,7 @@ impl Arg {
/// ```
///
/// ```rust
/// # use clap_builder as clap;
/// # #[cfg(feature = "help")] {
/// # use clap::{Command, Arg};
/// let m = Command::new("prog")
@ -1231,7 +1270,8 @@ impl Arg {
///
/// For example, to take a username as argument:
///
/// ```
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Arg, ValueHint};
/// Arg::new("user")
/// .short('u')
@ -1241,7 +1281,8 @@ impl Arg {
///
/// To take a full command line and its arguments (for example, when writing a command wrapper):
///
/// ```
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ValueHint, ArgAction};
/// Command::new("prog")
/// .trailing_var_arg(true)
@ -1273,6 +1314,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("pv")
/// .arg(Arg::new("option")
@ -1290,6 +1332,7 @@ impl Arg {
/// This setting also works when multiple values can be defined:
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("pv")
/// .arg(Arg::new("option")
@ -1338,6 +1381,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("pat")
@ -1355,6 +1399,7 @@ impl Arg {
/// hyphen is an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("pat")
@ -1388,6 +1433,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let res = Command::new("myprog")
/// .arg(Arg::new("num").allow_negative_numbers(true))
@ -1419,6 +1465,7 @@ impl Arg {
/// it and the associated value.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -1436,6 +1483,7 @@ impl Arg {
/// error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -1484,6 +1532,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("prog")
/// .arg(Arg::new("config")
@ -1520,6 +1569,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// Arg::new("vals")
/// .action(ArgAction::Set)
@ -1532,6 +1582,7 @@ impl Arg {
/// to perform them
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("cmds")
@ -1610,6 +1661,7 @@ impl Arg {
/// First we use the default value without providing any value at runtime.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, parser::ValueSource};
/// let m = Command::new("prog")
/// .arg(Arg::new("opt")
@ -1627,6 +1679,7 @@ impl Arg {
/// Next we provide a value at runtime to override the default.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, parser::ValueSource};
/// let m = Command::new("prog")
/// .arg(Arg::new("opt")
@ -1704,6 +1757,7 @@ impl Arg {
///
/// For POSIX style `--color`:
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, parser::ValueSource};
/// fn cli() -> Command {
/// Command::new("prog")
@ -1742,6 +1796,7 @@ impl Arg {
///
/// For bool literals:
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, parser::ValueSource, value_parser};
/// fn cli() -> Command {
/// Command::new("prog")
@ -1849,6 +1904,7 @@ impl Arg {
/// In this example, we show the variable coming from the environment:
///
/// ```rust
/// # use clap_builder as clap;
/// # use std::env;
/// # use clap::{Command, Arg, ArgAction};
///
@ -1875,6 +1931,7 @@ impl Arg {
/// `false`. Anything else will considered as `true`.
///
/// ```rust
/// # use clap_builder as clap;
/// # use std::env;
/// # use clap::{Command, Arg, ArgAction};
/// # use clap::builder::FalseyValueParser;
@ -1910,6 +1967,7 @@ impl Arg {
/// In this example, we show the variable coming from an option on the CLI:
///
/// ```rust
/// # use clap_builder as clap;
/// # use std::env;
/// # use clap::{Command, Arg, ArgAction};
///
@ -1931,6 +1989,7 @@ impl Arg {
/// presence of a default:
///
/// ```rust
/// # use clap_builder as clap;
/// # use std::env;
/// # use clap::{Command, Arg, ArgAction};
///
@ -1952,6 +2011,7 @@ impl Arg {
/// In this example, we show the use of multiple values in a single environment variable:
///
/// ```rust
/// # use clap_builder as clap;
/// # use std::env;
/// # use clap::{Command, Arg, ArgAction};
///
@ -2017,6 +2077,7 @@ impl Arg {
///
/// ```rust
/// # #[cfg(feature = "help")] {
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -2068,6 +2129,7 @@ impl Arg {
///
/// ```rust
/// # #[cfg(feature = "help")] {
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -2127,6 +2189,7 @@ impl Arg {
///
/// ```rust
/// # #[cfg(feature = "help")] {
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("a") // Typically args are grouped alphabetically by name.
@ -2195,6 +2258,7 @@ impl Arg {
///
/// ```rust
/// # #[cfg(feature = "help")] {
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("opt")
@ -2247,6 +2311,7 @@ impl Arg {
///
/// ```rust
/// # #[cfg(feature = "help")] {
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -2293,6 +2358,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("mode")
@ -2322,6 +2388,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("connect")
/// .arg(Arg::new("host")
@ -2351,6 +2418,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("mode")
@ -2380,6 +2448,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("connect")
/// .arg(Arg::new("host")
@ -2413,6 +2482,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Arg::new("debug")
/// .hide_short_help(true);
@ -2422,6 +2492,7 @@ impl Arg {
///
/// ```rust
/// # #[cfg(feature = "help")] {
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -2450,6 +2521,7 @@ impl Arg {
///
/// ```rust
/// # #[cfg(feature = "help")] {
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -2497,6 +2569,7 @@ impl Arg {
///
/// ```rust
/// # #[cfg(feature = "help")] {
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -2525,6 +2598,7 @@ impl Arg {
///
/// ```rust
/// # #[cfg(feature = "help")] {
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -2567,6 +2641,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// Arg::new("debug")
/// .long("debug")
@ -2579,6 +2654,7 @@ impl Arg {
/// was one of said arguments.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("debug")
@ -2611,6 +2687,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// Arg::new("debug")
/// .long("debug")
@ -2623,6 +2700,7 @@ impl Arg {
/// was one of said arguments.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("debug")
@ -2665,6 +2743,7 @@ impl Arg {
/// First we use the default value only if another arg is present at runtime.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// # use clap::builder::{ArgPredicate};
/// let m = Command::new("prog")
@ -2684,6 +2763,7 @@ impl Arg {
/// Next we run the same test, but without providing `--flag`.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("flag")
@ -2702,6 +2782,7 @@ impl Arg {
/// Now lets only use the default value if `--opt` contains the value `special`.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("opt")
@ -2721,6 +2802,7 @@ impl Arg {
/// default value.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("opt")
@ -2740,6 +2822,7 @@ impl Arg {
/// value of some other Arg.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("flag")
@ -2799,6 +2882,7 @@ impl Arg {
/// First we use the default value only if another arg is present at runtime.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("flag")
@ -2823,6 +2907,7 @@ impl Arg {
/// Next we run the same test, but without providing `--flag`.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("prog")
/// .arg(Arg::new("flag")
@ -2845,6 +2930,7 @@ impl Arg {
/// true, only the first evaluated "wins"
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// # use clap::builder::ArgPredicate;
/// let m = Command::new("prog")
@ -2912,6 +2998,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// Arg::new("config")
/// .required_unless_present("debug")
@ -2922,6 +3009,7 @@ impl Arg {
/// but it's not an error because the `unless` arg has been supplied.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -2941,6 +3029,7 @@ impl Arg {
/// Setting `Arg::required_unless_present(name)` and *not* supplying `name` or this arg is an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -2979,6 +3068,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// Arg::new("config")
/// .required_unless_present_all(["cfg", "dbg"])
@ -2989,6 +3079,7 @@ impl Arg {
/// because *all* of the `names` args have been supplied.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3012,6 +3103,7 @@ impl Arg {
/// either *all* of `unless` args or the `self` arg is an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3055,6 +3147,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// Arg::new("config")
/// .required_unless_present_any(["cfg", "dbg"])
@ -3067,6 +3160,7 @@ impl Arg {
/// have been supplied.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3090,6 +3184,7 @@ impl Arg {
/// or this arg is an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3127,6 +3222,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// Arg::new("config")
/// .required_if_eq("other_arg", "value")
@ -3134,6 +3230,7 @@ impl Arg {
/// ```
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3214,6 +3311,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// Arg::new("config")
/// .required_if_eq_any([
@ -3228,6 +3326,7 @@ impl Arg {
/// anything other than `val`, this argument isn't required.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3254,6 +3353,7 @@ impl Arg {
/// value of `val` but *not* using this arg is an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3297,6 +3397,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// Arg::new("config")
/// .required_if_eq_all([
@ -3311,6 +3412,7 @@ impl Arg {
/// anything other than `val`, this argument isn't required.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3337,6 +3439,7 @@ impl Arg {
/// value of `val` but *not* using this arg is an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3379,6 +3482,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// Arg::new("config")
/// .requires_if("val", "arg")
@ -3390,6 +3494,7 @@ impl Arg {
/// `val`, the other argument isn't required.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3408,6 +3513,7 @@ impl Arg {
/// `arg` is an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3439,6 +3545,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// Arg::new("config")
/// .requires_ifs([
@ -3453,6 +3560,7 @@ impl Arg {
/// than `val`, `arg` isn't required.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3478,6 +3586,7 @@ impl Arg {
/// arguments is an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction, builder::ArgPredicate};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3538,6 +3647,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// Arg::new("config")
/// .conflicts_with("debug")
@ -3547,6 +3657,7 @@ impl Arg {
/// Setting conflicting argument, and having both arguments present at runtime is an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3592,6 +3703,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// Arg::new("config")
/// .conflicts_with_all(["debug", "input"])
@ -3602,6 +3714,7 @@ impl Arg {
/// conflicting argument is an error.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("cfg")
@ -3640,6 +3753,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg};
/// let m = Command::new("prog")
/// .arg(arg!(-f --flag "some flag")
@ -3679,6 +3793,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg};
/// let m = Command::new("prog")
/// .arg(arg!(-f --flag "some flag")
@ -3722,6 +3837,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// let arg = Arg::new("foo").long_help("long help");
/// assert_eq!(Some("long help".to_owned()), arg.get_long_help().map(|s| s.to_string()));
@ -3904,6 +4020,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use std::ffi::OsStr;
/// # use clap::Arg;
/// let arg = Arg::new("foo").env("ENVIRONMENT");
@ -3919,6 +4036,7 @@ impl Arg {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// let arg = Arg::new("foo").default_value("default value");
/// assert_eq!(arg.get_default_values(), &["default value"]);
@ -3931,7 +4049,8 @@ impl Arg {
///
/// # Examples
///
/// ```
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Arg;
/// let arg = Arg::new("foo");
/// assert_eq!(arg.is_positional(), true);
@ -3977,6 +4096,7 @@ impl Arg {
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// let cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("port")

View file

@ -35,6 +35,7 @@ use crate::util::Id;
/// the arguments from the specified group is present at runtime.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg, ArgGroup, error::ErrorKind};
/// let result = Command::new("cmd")
/// .arg(arg!(--"set-ver" <ver> "set the version manually"))
@ -53,6 +54,7 @@ use crate::util::Id;
///
/// This next example shows a passing parse of the same scenario
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg, ArgGroup, Id};
/// let result = Command::new("cmd")
/// .arg(arg!(--"set-ver" <ver> "set the version manually"))
@ -102,6 +104,7 @@ impl ArgGroup {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, ArgGroup};
/// ArgGroup::new("config")
/// # ;
@ -115,6 +118,7 @@ impl ArgGroup {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, ArgGroup};
/// ArgGroup::default().id("config")
/// # ;
@ -130,6 +134,7 @@ impl ArgGroup {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgGroup, ArgAction};
/// let m = Command::new("myprog")
/// .arg(Arg::new("flag")
@ -163,6 +168,7 @@ impl ArgGroup {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgGroup, ArgAction};
/// let m = Command::new("myprog")
/// .arg(Arg::new("flag")
@ -193,6 +199,7 @@ impl ArgGroup {
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{ArgGroup};
/// let args: Vec<&str> = vec!["a1".into(), "a4".into()];
/// let grp = ArgGroup::new("program").args(&args);
@ -213,6 +220,7 @@ impl ArgGroup {
/// group
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgGroup, ArgAction};
/// let m = Command::new("myprog")
/// .arg(Arg::new("flag")
@ -232,6 +240,7 @@ impl ArgGroup {
/// an error if more than one of the args in the group was used.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgGroup, error::ErrorKind, ArgAction};
/// let result = Command::new("myprog")
/// .arg(Arg::new("flag")
@ -263,6 +272,7 @@ impl ArgGroup {
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{ArgGroup};
/// let mut group = ArgGroup::new("myprog")
/// .args(["f", "c"])
@ -290,6 +300,7 @@ impl ArgGroup {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgGroup, error::ErrorKind, ArgAction};
/// let result = Command::new("myprog")
/// .arg(Arg::new("flag")
@ -329,6 +340,7 @@ impl ArgGroup {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgGroup, error::ErrorKind, ArgAction};
/// let result = Command::new("myprog")
/// .arg(Arg::new("flag")
@ -373,6 +385,7 @@ impl ArgGroup {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgGroup, error::ErrorKind, ArgAction};
/// let result = Command::new("myprog")
/// .arg(Arg::new("flag")
@ -418,6 +431,7 @@ impl ArgGroup {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgGroup, error::ErrorKind, ArgAction};
/// let result = Command::new("myprog")
/// .arg(Arg::new("flag")
@ -459,6 +473,7 @@ impl ArgGroup {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgGroup, error::ErrorKind, ArgAction};
/// let result = Command::new("myprog")
/// .arg(Arg::new("flag")

View file

@ -52,6 +52,7 @@ use crate::builder::debug_asserts::assert_app;
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("My Program")
/// .author("Me, me@mail.com")
@ -120,7 +121,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("My Program")
/// # ;
@ -144,7 +146,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg, Arg};
/// Command::new("myprog")
/// // Adding a single "flag" argument with a short and help text, using Arg::new()
@ -186,11 +189,12 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg, Arg};
/// Command::new("myprog")
/// .args([
/// arg!("[debug] -d 'turns on debugging info'"),
/// arg!(-d --debug "turns on debugging info"),
/// Arg::new("input").help("the input file to use")
/// ])
/// # ;
@ -215,6 +219,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
///
/// let mut cmd = Command::new("foo")
@ -261,6 +266,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
///
/// let mut cmd = Command::new("foo")
@ -313,13 +319,14 @@ impl Command {
/// The following example demonstrates using an [`ArgGroup`] to ensure that one, and only one,
/// of the arguments from the specified group is present at runtime.
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg, ArgGroup};
/// Command::new("cmd")
/// .arg(arg!("--set-ver [ver] 'set the version manually'"))
/// .arg(arg!("--major 'auto increase major'"))
/// .arg(arg!("--minor 'auto increase minor'"))
/// .arg(arg!("--patch 'auto increase patch'"))
/// .arg(arg!(--"set-ver" <ver> "set the version manually").required(false))
/// .arg(arg!(--major "auto increase major"))
/// .arg(arg!(--minor "auto increase minor"))
/// .arg(arg!(--patch "auto increase patch"))
/// .group(ArgGroup::new("vers")
/// .args(["set-ver", "major", "minor","patch"])
/// .required(true))
@ -336,15 +343,16 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg, ArgGroup};
/// Command::new("cmd")
/// .arg(arg!("--set-ver [ver] 'set the version manually'"))
/// .arg(arg!("--major 'auto increase major'"))
/// .arg(arg!("--minor 'auto increase minor'"))
/// .arg(arg!("--patch 'auto increase patch'"))
/// .arg(arg!("-c [FILE] 'a config file'"))
/// .arg(arg!("-i [IFACE] 'an interface'"))
/// .arg(arg!(--"set-ver" <ver> "set the version manually").required(false))
/// .arg(arg!(--major "auto increase major"))
/// .arg(arg!(--minor "auto increase minor"))
/// .arg(arg!(--patch "auto increase patch"))
/// .arg(arg!(-c <FILE> "a config file").required(false))
/// .arg(arg!(-i <IFACE> "an interface").required(false))
/// .groups([
/// ArgGroup::new("vers")
/// .args(["set-ver", "major", "minor","patch"])
@ -374,12 +382,13 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg};
/// Command::new("myprog")
/// .subcommand(Command::new("config")
/// .about("Controls configuration features")
/// .arg(arg!("<config> 'Required configuration file to use'")))
/// .arg(arg!(<config> "Required configuration file to use")))
/// # ;
/// ```
#[inline]
@ -404,6 +413,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// # Command::new("myprog")
/// .subcommands( [
@ -434,6 +444,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// fn cmd() -> Command {
/// Command::new("foo")
@ -461,6 +472,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, error::ErrorKind};
/// let mut cmd = Command::new("myprog");
/// let err = cmd.error(ErrorKind::InvalidValue, "Some failure case");
@ -478,6 +490,7 @@ impl Command {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let matches = Command::new("myprog")
/// // Args and options go here...
@ -501,6 +514,7 @@ impl Command {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let mut cmd = Command::new("myprog")
/// // Args and options go here...
@ -528,6 +542,7 @@ impl Command {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let matches = Command::new("myprog")
/// // Args and options go here...
@ -560,6 +575,7 @@ impl Command {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let arg_vec = vec!["my_prog", "some", "args", "to", "parse"];
///
@ -598,6 +614,7 @@ impl Command {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let arg_vec = vec!["my_prog", "some", "args", "to", "parse"];
///
@ -643,6 +660,7 @@ impl Command {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let arg_vec = vec!["my_prog", "some", "args", "to", "parse"];
///
@ -715,6 +733,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// let mut cmd = Command::new("myprog");
/// cmd.print_help();
@ -739,6 +758,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// let mut cmd = Command::new("myprog");
/// cmd.print_long_help();
@ -766,6 +786,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// use std::io;
/// let mut cmd = Command::new("myprog");
@ -792,6 +813,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// use std::io;
/// let mut cmd = Command::new("myprog");
@ -852,6 +874,7 @@ impl Command {
/// ### Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// use std::io;
/// let cmd = Command::new("myprog");
@ -876,6 +899,7 @@ impl Command {
/// ### Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// use std::io;
/// let cmd = Command::new("myprog");
@ -894,6 +918,7 @@ impl Command {
/// ### Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// use std::io;
/// let mut cmd = Command::new("myprog");
@ -925,6 +950,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg};
/// let m = Command::new("myprog")
/// .no_binary_name(true)
@ -951,6 +977,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg};
/// let cmd = Command::new("cmd")
/// .ignore_errors(true)
@ -1007,6 +1034,7 @@ impl Command {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Command::new("myprog")
/// .dont_delimit_trailing_values(true)
@ -1032,6 +1060,7 @@ impl Command {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, ColorChoice};
/// Command::new("myprog")
/// .color(ColorChoice::Never)
@ -1062,11 +1091,12 @@ impl Command {
///
/// **NOTE:** This setting applies globally and *not* on a per-command basis.
///
/// **NOTE:** This requires the [`wrap_help` feature][crate::_features]
/// **NOTE:** This requires the `wrap_help` feature
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .term_width(80)
@ -1089,11 +1119,12 @@ impl Command {
///
/// **NOTE:** This setting applies globally and *not* on a per-command basis.
///
/// **NOTE:** This requires the [`wrap_help` feature][crate::_features]
/// **NOTE:** This requires the `wrap_help` feature
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .max_term_width(100)
@ -1112,6 +1143,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, error::ErrorKind};
/// let res = Command::new("myprog")
/// .disable_version_flag(true)
@ -1139,6 +1171,7 @@ impl Command {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Command::new("myprog")
/// .version("v1.1")
@ -1166,6 +1199,7 @@ impl Command {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Command::new("myprog")
/// .next_line_help(true)
@ -1187,6 +1221,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, error::ErrorKind};
/// let res = Command::new("myprog")
/// .disable_help_flag(true)
@ -1210,6 +1245,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, error::ErrorKind};
/// let res = Command::new("myprog")
/// .disable_help_subcommand(true)
@ -1240,6 +1276,7 @@ impl Command {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .disable_colored_help(true)
@ -1264,6 +1301,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Command::new("myprog")
/// .help_expected(true)
@ -1277,6 +1315,7 @@ impl Command {
/// # Panics
///
/// ```rust,no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Command::new("myapp")
/// .help_expected(true)
@ -1363,6 +1402,7 @@ impl Command {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("prog")
/// .infer_subcommands(true)
@ -1422,7 +1462,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("My Program")
/// .bin_name("my_binary")
@ -1438,7 +1479,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("My Program")
/// .display_name("my_program")
@ -1461,7 +1503,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .author("Me, me@mymain.com")
@ -1484,7 +1527,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .about("Does really amazing things for great people")
@ -1505,7 +1549,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .long_about(
@ -1530,7 +1575,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .after_help("Does really amazing things for great people... but be careful with -R!")
@ -1552,7 +1598,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .after_long_help("Does really amazing things to great people... but be careful with -R, \
@ -1573,7 +1620,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .before_help("Some info I'd like to appear before the help info")
@ -1593,7 +1641,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .before_long_help("Some verbose and long info I'd like to appear before the help info")
@ -1615,7 +1664,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .version("v0.1.24")
@ -1637,7 +1687,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .long_version(
@ -1670,7 +1721,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Command::new("myprog")
/// .override_usage("myapp [-clDas] <some_file>")
@ -1679,7 +1731,8 @@ impl Command {
///
/// Or for multiple usage lines:
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Command::new("myprog")
/// .override_usage(
@ -1708,7 +1761,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Command::new("myapp")
/// .override_help("myapp v1.0\n\
@ -1768,7 +1822,8 @@ impl Command {
///
/// For a very brief help:
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .version("1.0")
@ -1778,7 +1833,8 @@ impl Command {
///
/// For showing more application context:
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .version("1.0")
@ -1899,6 +1955,7 @@ impl Command {
/// end up getting parsed as if the user typed the entire incantation.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// let m = Command::new("cmd")
/// .subcommand(Command::new("module")
@ -1932,6 +1989,7 @@ impl Command {
/// need to change!
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("cmd")
/// .arg(Arg::new("save-context")
@ -1954,6 +2012,7 @@ impl Command {
/// above to enforce this:
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("cmd")
/// .arg(Arg::new("save-context")
@ -1995,6 +2054,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command};
/// Command::new("myprog")
/// .arg_required_else_help(true);
@ -2084,6 +2144,7 @@ impl Command {
/// Style number one from above:
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// // Assume there is an external subcommand named "subcmd"
/// let m = Command::new("myprog")
@ -2102,6 +2163,7 @@ impl Command {
/// Now the same example, but using a default value for the first optional positional argument
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// // Assume there is an external subcommand named "subcmd"
/// let m = Command::new("myprog")
@ -2121,6 +2183,7 @@ impl Command {
/// Style number two from above:
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// // Assume there is an external subcommand named "subcmd"
/// let m = Command::new("myprog")
@ -2140,6 +2203,7 @@ impl Command {
/// Now nofice if we don't specify `foo` or `baz` but use the `--` operator.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// // Assume there is an external subcommand named "subcmd"
/// let m = Command::new("myprog")
@ -2176,6 +2240,7 @@ impl Command {
/// # Examples
///
/// ```
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let matches = Command::new("pacman")
/// .subcommand(
@ -2212,7 +2277,8 @@ impl Command {
/// `--` such as `--sync` they will be stripped. Hyphens in the middle of the word; however,
/// will *not* be stripped (i.e. `sync-file` is allowed).
///
/// ```
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let matches = Command::new("pacman")
/// .subcommand(
@ -2255,6 +2321,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// let m = Command::new("myprog")
/// .subcommand(Command::new("test")
@ -2281,7 +2348,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// let m = Command::new("myprog")
/// .subcommand(Command::new("test").short_flag('t')
@ -2308,7 +2376,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// let m = Command::new("myprog")
/// .subcommand(Command::new("test").long_flag("test")
@ -2343,6 +2412,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("myprog")
/// .subcommand(Command::new("test")
@ -2370,6 +2440,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// let m = Command::new("myprog")
/// .subcommand(Command::new("test").short_flag('t')
@ -2398,6 +2469,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// let m = Command::new("myprog")
/// .subcommand(Command::new("test").long_flag("test")
@ -2434,7 +2506,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("myprog")
/// .subcommand(Command::new("test")
@ -2463,7 +2536,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// let m = Command::new("myprog")
/// .subcommand(Command::new("test").short_flag('t')
@ -2493,7 +2567,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// let m = Command::new("myprog")
/// .subcommand(Command::new("test").long_flag("test")
@ -2530,7 +2605,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// let m = Command::new("myprog")
/// .subcommand(Command::new("test")
@ -2552,7 +2628,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// let m = Command::new("myprog")
/// .subcommand(Command::new("test").short_flag('b')
@ -2576,7 +2653,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// let m = Command::new("myprog")
/// .subcommand(Command::new("test").long_flag("test")
@ -2610,6 +2688,7 @@ impl Command {
///
/// ```rust
/// # #[cfg(feature = "help")] {
/// # use clap_builder as clap;
/// # use clap::{Command, };
/// let m = Command::new("cust-ord")
/// .subcommand(Command::new("alpha") // typically subcommands are grouped
@ -2657,6 +2736,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Command::new("myprog")
/// .subcommand(
@ -2680,6 +2760,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, error::ErrorKind};
/// let err = Command::new("myprog")
/// .subcommand_required(true)
@ -2716,6 +2797,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use std::ffi::OsString;
/// # use clap::Command;
/// // Assume there is an external subcommand named "subcmd"
@ -2759,6 +2841,7 @@ impl Command {
///
/// ```rust
/// # #[cfg(unix)] {
/// # use clap_builder as clap;
/// # use std::ffi::OsString;
/// # use clap::Command;
/// # use clap::value_parser;
@ -2782,7 +2865,8 @@ impl Command {
/// # }
/// ```
///
/// ```
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::value_parser;
/// // Assume there is an external subcommand named "subcmd"
@ -2829,6 +2913,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// Command::new("myprog")
/// .args_conflicts_with_subcommands(true);
@ -2866,6 +2951,7 @@ impl Command {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let cmd = Command::new("cmd").subcommand(Command::new("sub")).arg(
/// Arg::new("arg")
@ -2916,6 +3002,7 @@ impl Command {
/// This first example shows that it is an error to not use a required argument
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind};
/// let err = Command::new("myprog")
/// .subcommand_negates_reqs(true)
@ -2933,6 +3020,7 @@ impl Command {
/// valid subcommand is used.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind};
/// let noerr = Command::new("myprog")
/// .subcommand_negates_reqs(true)
@ -3017,6 +3105,7 @@ impl Command {
/// This does not allow the subcommand to be passed as the first non-path argument.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, error::ErrorKind};
/// let mut cmd = Command::new("hostname")
/// .multicall(true)
@ -3044,6 +3133,7 @@ impl Command {
/// and as subcommands of the "main" applet.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// fn applet_commands() -> [Command; 2] {
/// [Command::new("true"), Command::new("false")]
@ -3087,7 +3177,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Command::new("myprog")
/// .subcommand(Command::new("sub1"))
@ -3113,7 +3204,8 @@ impl Command {
///
/// but usage of `subcommand_value_name`
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Command::new("myprog")
/// .subcommand(Command::new("sub1"))
@ -3151,7 +3243,8 @@ impl Command {
///
/// # Examples
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Command::new("myprog")
/// .subcommand(Command::new("sub1"))
@ -3177,7 +3270,8 @@ impl Command {
///
/// but usage of `subcommand_help_heading`
///
/// ```no_run
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// Command::new("myprog")
/// .subcommand(Command::new("sub1"))
@ -3693,6 +3787,7 @@ impl Command {
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// let cmd = clap::Command::new("raw")
/// .external_subcommand_value_parser(clap::value_parser!(String));
/// let value_parser = cmd.get_external_subcommand_value_parser();

View file

@ -274,28 +274,20 @@ pub(crate) fn assert_app(cmd: &Command) {
}
for group in cmd.get_groups() {
let derive_hint = if cfg!(feature = "derive") {
" (note: `Args` implicitly creates `ArgGroup`s; disable with `#[group(skip)]`"
} else {
""
};
// Name conflicts
assert!(
cmd.get_groups().filter(|x| x.id == group.id).count() < 2,
"Command {}: Argument group name must be unique\n\n\t'{}' is already in use{}",
"Command {}: Argument group name must be unique\n\n\t'{}' is already in use",
cmd.get_name(),
group.get_id(),
derive_hint
);
// Groups should not have naming conflicts with Args
assert!(
!cmd.get_arguments().any(|x| x.get_id() == group.get_id()),
"Command {}: Argument group name '{}' must not conflict with argument name{}",
"Command {}: Argument group name '{}' must not conflict with argument name",
cmd.get_name(),
group.get_id(),
derive_hint
);
for arg in &group.args {

View file

@ -2,8 +2,8 @@ use crate::builder::Str;
/// A UTF-8-encoded fixed string
///
/// **NOTE:** To support dynamic values (i.e. `OsString`), enable the [`string`
/// feature][crate::_features]
/// **NOTE:** To support dynamic values (i.e. `OsString`), enable the `string`
/// feature
#[derive(Default, Clone, Eq, PartialEq, PartialOrd, Ord, Hash)]
pub struct OsStr {
name: Inner,

View file

@ -16,6 +16,7 @@ use crate::util::eq_ignore_case;
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Arg, builder::PossibleValue, ArgAction};
/// let cfg = Arg::new("config")
/// .action(ArgAction::Set)
@ -50,6 +51,7 @@ impl PossibleValue {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::builder::PossibleValue;
/// PossibleValue::new("fast")
/// # ;
@ -72,6 +74,7 @@ impl PossibleValue {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::builder::PossibleValue;
/// PossibleValue::new("slow")
/// .help("not fast")
@ -92,6 +95,7 @@ impl PossibleValue {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::builder::PossibleValue;
/// PossibleValue::new("secret")
/// .hide(true)
@ -110,6 +114,7 @@ impl PossibleValue {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::builder::PossibleValue;
/// PossibleValue::new("slow")
/// .alias("not-fast")
@ -130,6 +135,7 @@ impl PossibleValue {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::builder::PossibleValue;
/// PossibleValue::new("slow")
/// .aliases(["not-fast", "snake-like"])
@ -208,6 +214,7 @@ impl PossibleValue {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::builder::PossibleValue;
/// let arg_value = PossibleValue::new("fast").alias("not-slow");
///

View file

@ -26,7 +26,8 @@ impl ValueRange {
///
/// # Examples
///
/// ```
/// ```rust
/// # use clap_builder as clap;
/// # use clap::builder::ValueRange;
/// let range = ValueRange::new(5);
/// let range = ValueRange::new(5..10);
@ -38,6 +39,7 @@ impl ValueRange {
///
/// While this will panic:
/// ```should_panic
/// # use clap_builder as clap;
/// # use clap::builder::ValueRange;
/// let range = ValueRange::new(10..5); // Panics!
/// ```
@ -67,7 +69,8 @@ impl ValueRange {
///
/// # Examples
///
/// ```
/// ```rust
/// # use clap_builder as clap;
/// # use clap::builder::ValueRange;
/// let range = ValueRange::new(5);
/// assert!(range.takes_values());

View file

@ -19,6 +19,7 @@ use crate::builder::ValueRange;
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// fn common() -> Command {

View file

@ -1,7 +1,7 @@
/// A UTF-8-encoded fixed string
///
/// **NOTE:** To support dynamic values (i.e. `String`), enable the [`string`
/// feature][crate::_features]
/// **NOTE:** To support dynamic values (i.e. `String`), enable the `string`
/// feature
#[derive(Default, Clone, Eq, PartialEq, PartialOrd, Ord, Hash)]
pub struct Str {
name: Inner,

View file

@ -18,6 +18,7 @@ use crate::parser::AnyValueId;
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("color")
@ -83,6 +84,7 @@ impl ValueParser {
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// type EnvVar = (String, Option<String>);
/// fn parse_env_var(env: &str) -> Result<EnvVar, std::io::Error> {
/// if let Some((var, value)) = env.split_once('=') {
@ -120,6 +122,7 @@ impl ValueParser {
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("download")
@ -146,6 +149,7 @@ impl ValueParser {
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("port")
@ -168,6 +172,7 @@ impl ValueParser {
///
/// ```rust
/// # #[cfg(unix)] {
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, builder::ValueParser};
/// use std::ffi::OsString;
/// use std::os::unix::ffi::{OsStrExt,OsStringExt};
@ -198,6 +203,7 @@ impl ValueParser {
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// # use std::path::PathBuf;
/// # use std::path::Path;
/// let mut cmd = clap::Command::new("raw")
@ -263,6 +269,7 @@ impl ValueParser {
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("hostname")
@ -304,6 +311,7 @@ impl From<_AnonymousValueParser> for ValueParser {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("port")
@ -334,6 +342,7 @@ impl From<std::ops::Range<i64>> for ValueParser {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("port")
@ -364,6 +373,7 @@ impl From<std::ops::RangeInclusive<i64>> for ValueParser {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("port")
@ -394,6 +404,7 @@ impl From<std::ops::RangeFrom<i64>> for ValueParser {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("port")
@ -424,6 +435,7 @@ impl From<std::ops::RangeTo<i64>> for ValueParser {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("port")
@ -454,6 +466,7 @@ impl From<std::ops::RangeToInclusive<i64>> for ValueParser {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("port")
@ -483,6 +496,7 @@ impl From<std::ops::RangeFull> for ValueParser {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("color")
@ -517,6 +531,7 @@ where
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// let possible = vec!["always", "auto", "never"];
/// let mut cmd = clap::Command::new("raw")
/// .arg(
@ -647,6 +662,7 @@ where
///
/// ```rust
/// # #[cfg(feature = "error-context")] {
/// # use clap_builder as clap;
/// # use clap::error::ErrorKind;
/// # use clap::error::ContextKind;
/// # use clap::error::ContextValue;
@ -725,6 +741,7 @@ pub trait TypedValueParser: Clone + Send + Sync + 'static {
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// # use clap::builder::TypedValueParser as _;
@ -769,6 +786,7 @@ pub trait TypedValueParser: Clone + Send + Sync + 'static {
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// # use std::ffi::OsString;
/// # use std::ffi::OsStr;
/// # use std::path::PathBuf;
@ -993,6 +1011,7 @@ impl Default for PathBufValueParser {
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// # use std::ffi::OsStr;
/// # use clap::ColorChoice;
/// # use clap::builder::TypedValueParser;
@ -1111,6 +1130,7 @@ impl<E: crate::ValueEnum + Clone + Send + Sync + 'static> Default for EnumValueP
///
/// Usage:
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("color")
@ -1126,6 +1146,7 @@ impl<E: crate::ValueEnum + Clone + Send + Sync + 'static> Default for EnumValueP
///
/// Semantics:
/// ```rust
/// # use clap_builder as clap;
/// # use std::ffi::OsStr;
/// # use clap::builder::TypedValueParser;
/// # let cmd = clap::Command::new("test");
@ -1220,6 +1241,7 @@ where
///
/// Usage:
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("port")
@ -1237,6 +1259,7 @@ where
///
/// Semantics:
/// ```rust
/// # use clap_builder as clap;
/// # use std::ffi::OsStr;
/// # use clap::builder::TypedValueParser;
/// # let cmd = clap::Command::new("test");
@ -1418,6 +1441,7 @@ impl<T: std::convert::TryFrom<i64> + Clone + Send + Sync> Default for RangedI64V
///
/// Usage:
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("port")
@ -1435,6 +1459,7 @@ impl<T: std::convert::TryFrom<i64> + Clone + Send + Sync> Default for RangedI64V
///
/// Semantics:
/// ```rust
/// # use clap_builder as clap;
/// # use std::ffi::OsStr;
/// # use clap::builder::TypedValueParser;
/// # let cmd = clap::Command::new("test");
@ -1682,6 +1707,7 @@ impl Default for BoolValueParser {
///
/// Usage:
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("append")
@ -1697,6 +1723,7 @@ impl Default for BoolValueParser {
///
/// Semantics:
/// ```rust
/// # use clap_builder as clap;
/// # use std::ffi::OsStr;
/// # use clap::builder::TypedValueParser;
/// # let cmd = clap::Command::new("test");
@ -1775,6 +1802,7 @@ impl Default for FalseyValueParser {
///
/// Usage:
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("append")
@ -1790,6 +1818,7 @@ impl Default for FalseyValueParser {
///
/// Semantics:
/// ```rust
/// # use clap_builder as clap;
/// # use std::ffi::OsStr;
/// # use clap::builder::TypedValueParser;
/// # let cmd = clap::Command::new("test");
@ -1873,6 +1902,7 @@ impl Default for BoolishValueParser {
///
/// Usage:
/// ```rust
/// # use clap_builder as clap;
/// let mut cmd = clap::Command::new("raw")
/// .arg(
/// clap::Arg::new("append")
@ -1888,6 +1918,7 @@ impl Default for BoolishValueParser {
///
/// Semantics:
/// ```rust
/// # use clap_builder as clap;
/// # use std::ffi::OsStr;
/// # use clap::builder::TypedValueParser;
/// # let cmd = clap::Command::new("test");
@ -2060,6 +2091,7 @@ where
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// #[derive(Copy, Clone, Debug)]
/// pub struct Custom(u32);
///
@ -2328,6 +2360,7 @@ pub mod via_prelude {
///
/// Usage:
/// ```rust
/// # use clap_builder as clap;
/// # use std::path::PathBuf;
/// # use std::path::Path;
/// let mut cmd = clap::Command::new("raw")
@ -2345,6 +2378,7 @@ pub mod via_prelude {
///
/// Example mappings:
/// ```rust
/// # use clap_builder as clap;
/// # use clap::ColorChoice;
/// // Built-in types
/// let parser = clap::value_parser!(String);

View file

@ -1,5 +1,5 @@
//! This module contains traits that are usable with the `#[derive(...)].`
//! macros in [`clap_derive`].
//! macros in `clap_derive`.
use crate::builder::PossibleValue;
use crate::{ArgMatches, Command, Error};
@ -20,63 +20,7 @@ use std::ffi::OsString;
///
/// See also [`Subcommand`] and [`Args`].
///
/// See the [derive reference](crate::_derive) for attributes and best practices.
///
/// **NOTE:** Deriving requires the [`derive` feature flag][crate::_features]
///
/// # Examples
///
/// The following example creates a `Context` struct that would be used
/// throughout the application representing the normalized values coming from
/// the CLI.
///
/// ```rust
/// # #[cfg(feature = "derive")] {
/// /// My super CLI
/// #[derive(clap::Parser)]
/// #[command(name = "demo")]
/// struct Context {
/// /// More verbose output
/// #[arg(long)]
/// verbose: bool,
/// /// An optional name
/// #[arg(short, long)]
/// name: Option<String>,
/// }
/// # }
/// ```
///
/// The equivalent [`Command`] struct + `From` implementation:
///
/// ```rust
/// # use clap::{Command, Arg, ArgMatches, ArgAction};
/// Command::new("demo")
/// .about("My super CLI")
/// .arg(Arg::new("verbose")
/// .long("verbose")
/// .action(ArgAction::SetTrue)
/// .help("More verbose output"))
/// .arg(Arg::new("name")
/// .long("name")
/// .short('n')
/// .help("An optional name")
/// .action(ArgAction::Set));
///
/// struct Context {
/// verbose: bool,
/// name: Option<String>,
/// }
///
/// impl From<ArgMatches> for Context {
/// fn from(m: ArgMatches) -> Self {
/// Context {
/// verbose: m.get_flag("verbose"),
/// name: m.get_one::<String>("name").cloned(),
/// }
/// }
/// }
/// ```
///
/// **NOTE:** Deriving requires the `derive` feature flag
pub trait Parser: FromArgMatches + CommandFactory + Sized {
/// Parse from `std::env::args_os()`, exit on error
fn parse() -> Self {
@ -266,27 +210,7 @@ pub trait FromArgMatches: Sized {
/// `Args`.
/// - `Variant(ChildArgs)`: No attribute is used with enum variants that impl `Args`.
///
/// See the [derive reference](crate::_derive) for attributes and best practices.
///
/// **NOTE:** Deriving requires the [`derive` feature flag][crate::_features]
///
/// # Example
///
/// ```rust
/// # #[cfg(feature = "derive")] {
/// #[derive(clap::Parser)]
/// struct Args {
/// #[command(flatten)]
/// logging: LogArgs,
/// }
///
/// #[derive(clap::Args)]
/// struct LogArgs {
/// #[arg(long, short = 'v', action = clap::ArgAction::Count)]
/// verbose: u8,
/// }
/// # }
/// ```
/// **NOTE:** Deriving requires the `derive` feature flag
pub trait Args: FromArgMatches + Sized {
/// Report the [`ArgGroup::id`][crate::ArgGroup::id] for this set of arguments
fn group_id() -> Option<crate::Id> {
@ -313,27 +237,7 @@ pub trait Args: FromArgMatches + Sized {
/// - `#[command(flatten)] Variant(SubCmd)`: Attribute can only be used with enum variants that impl
/// `Subcommand`.
///
/// See the [derive reference](crate::_derive) for attributes and best practices.
///
/// **NOTE:** Deriving requires the [`derive` feature flag][crate::_features]
///
/// # Example
///
/// ```rust
/// # #[cfg(feature = "derive")] {
/// #[derive(clap::Parser)]
/// struct Args {
/// #[command(subcommand)]
/// action: Action,
/// }
///
/// #[derive(clap::Subcommand)]
/// enum Action {
/// Add,
/// Remove,
/// }
/// # }
/// ```
/// **NOTE:** Deriving requires the `derive` feature flag
pub trait Subcommand: FromArgMatches + Sized {
/// Append to [`Command`] so it can instantiate `Self`.
///
@ -356,29 +260,7 @@ pub trait Subcommand: FromArgMatches + Sized {
/// - Call [`EnumValueParser`][crate::builder::EnumValueParser]
/// - Allowing using the `#[arg(default_value_t)]` attribute without implementing `Display`.
///
/// See the [derive reference](crate::_derive) for attributes and best practices.
///
/// **NOTE:** Deriving requires the [`derive` feature flag][crate::_features]
///
/// # Example
///
/// ```rust
/// # #[cfg(feature = "derive")] {
/// #[derive(clap::Parser)]
/// struct Args {
/// #[arg(value_enum)]
/// level: Level,
/// }
///
/// #[derive(clap::ValueEnum, Clone)]
/// enum Level {
/// Debug,
/// Info,
/// Warning,
/// Error,
/// }
/// # }
/// ```
/// **NOTE:** Deriving requires the `derive` feature flag
pub trait ValueEnum: Sized + Clone {
/// All possible argument values, in display order.
fn value_variants<'a>() -> &'a [Self];

View file

@ -22,7 +22,7 @@ pub trait ErrorFormatter: Sized {
///
/// No context is included.
///
/// **NOTE:** Consider removing the [`error-context`][crate::_features] default feature if using this to remove all
/// **NOTE:** Consider removing the `error-context` default feature if using this to remove all
/// overhead for [`RichFormatter`].
#[non_exhaustive]
pub struct KindFormatter;

View file

@ -8,6 +8,7 @@ pub enum ErrorKind {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind};
/// let result = Command::new("prog")
/// .arg(Arg::new("speed")
@ -23,6 +24,7 @@ pub enum ErrorKind {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg, error::ErrorKind};
/// let result = Command::new("prog")
/// .arg(arg!(--flag "some flag"))
@ -41,6 +43,7 @@ pub enum ErrorKind {
///
/// ```rust
/// # #[cfg(feature = "suggestions")] {
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, };
/// let result = Command::new("prog")
/// .subcommand(Command::new("config")
@ -61,6 +64,7 @@ pub enum ErrorKind {
/// sign to provide values.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let res = Command::new("prog")
/// .arg(Arg::new("color")
@ -79,6 +83,7 @@ pub enum ErrorKind {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, value_parser};
/// fn is_numeric(val: &str) -> Result<(), String> {
/// match val.parse::<i64>() {
@ -102,6 +107,7 @@ pub enum ErrorKind {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind};
/// let result = Command::new("prog")
/// .arg(Arg::new("arg")
@ -119,6 +125,7 @@ pub enum ErrorKind {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind};
/// let result = Command::new("prog")
/// .arg(Arg::new("some_opt")
@ -138,6 +145,7 @@ pub enum ErrorKind {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let result = Command::new("prog")
/// .arg(Arg::new("some_opt")
@ -159,6 +167,7 @@ pub enum ErrorKind {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// let result = Command::new("prog")
/// .arg(Arg::new("debug")
@ -179,6 +188,7 @@ pub enum ErrorKind {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind};
/// let result = Command::new("prog")
/// .arg(Arg::new("debug")
@ -195,6 +205,7 @@ pub enum ErrorKind {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, error::ErrorKind};
/// let err = Command::new("prog")
/// .subcommand_required(true)
@ -225,6 +236,7 @@ pub enum ErrorKind {
///
/// ```rust
/// # #[cfg(unix)] {
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, ArgAction};
/// # use std::os::unix::ffi::OsStringExt;
/// # use std::ffi::OsString;
@ -254,6 +266,7 @@ pub enum ErrorKind {
///
/// ```rust
/// # #[cfg(feature = "help")] {
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind};
/// let result = Command::new("prog")
/// .try_get_matches_from(vec!["prog", "--help"]);
@ -270,6 +283,7 @@ pub enum ErrorKind {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind, };
/// let result = Command::new("prog")
/// .arg_required_else_help(true)
@ -292,6 +306,7 @@ pub enum ErrorKind {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, error::ErrorKind};
/// let result = Command::new("prog")
/// .version("3.0")

View file

@ -108,6 +108,7 @@ impl<F: ErrorFormatter> Error<F> {
///
/// ```rust
/// # #[cfg(feature = "error-context")] {
/// # use clap_builder as clap;
/// # use clap::error::ErrorKind;
/// # use clap::error::ContextKind;
/// # use clap::error::ContextValue;
@ -153,6 +154,7 @@ impl<F: ErrorFormatter> Error<F> {
/// # Example
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// # use clap::error::KindFormatter;
@ -229,6 +231,7 @@ impl<F: ErrorFormatter> Error<F> {
///
/// # Example
/// ```no_run
/// # use clap_builder as clap;
/// use clap::Command;
///
/// match Command::new("Command").try_get_matches() {
@ -259,6 +262,7 @@ impl<F: ErrorFormatter> Error<F> {
///
/// # Example
/// ```no_run
/// # use clap_builder as clap;
/// use clap::Command;
///
/// match Command::new("Command").try_get_matches() {

69
clap_builder/src/lib.rs Normal file
View file

@ -0,0 +1,69 @@
// Copyright ⓒ 2015-2016 Kevin B. Knapp and [`clap-rs` contributors](https://github.com/clap-rs/clap/graphs/contributors).
// Licensed under the MIT license
// (see LICENSE or <http://opensource.org/licenses/MIT>) All files in the project carrying such
// notice may not be copied, modified, or distributed except according to those terms.
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
#![doc = include_str!("../README.md")]
#![doc(html_logo_url = "https://raw.githubusercontent.com/clap-rs/clap/master/assets/clap.png")]
#![warn(
missing_docs,
missing_debug_implementations,
missing_copy_implementations,
trivial_casts,
unused_allocation,
trivial_numeric_casts,
clippy::single_char_pattern
)]
#![forbid(unsafe_code)]
// HACK https://github.com/rust-lang/rust-clippy/issues/7290
#![allow(clippy::single_component_path_imports)]
#![allow(clippy::branches_sharing_code)]
// Doesn't allow for debug statements, etc to be unique
#![allow(clippy::if_same_then_else)]
// Breaks up parallelism that clarifies intent
#![allow(clippy::collapsible_else_if)]
#[cfg(not(feature = "std"))]
compile_error!("`std` feature is currently required to build `clap`");
pub use crate::builder::ArgAction;
pub use crate::builder::Command;
pub use crate::builder::ValueHint;
pub use crate::builder::{Arg, ArgGroup};
pub use crate::parser::ArgMatches;
pub use crate::util::color::ColorChoice;
pub use crate::util::Id;
/// Command Line Argument Parser Error
///
/// See [`Command::error`] to create an error.
///
/// [`Command::error`]: crate::Command::error
pub type Error = crate::error::Error<crate::error::DefaultFormatter>;
pub use crate::derive::{Args, CommandFactory, FromArgMatches, Parser, Subcommand, ValueEnum};
#[doc(hidden)]
pub mod __macro_refs {
#[cfg(feature = "cargo")]
#[doc(hidden)]
pub use once_cell;
}
#[macro_use]
#[allow(missing_docs)]
mod macros;
mod derive;
pub mod builder;
pub mod error;
pub mod parser;
mod mkeymap;
mod output;
mod util;
const INTERNAL_ERROR_MSG: &str = "Fatal internal error. Please consider filing a bug \
report at https://github.com/clap-rs/clap/issues";

View file

@ -4,14 +4,12 @@
/// # Examples
///
/// ```no_run
/// # #[macro_use]
/// # extern crate clap;
/// # use clap_builder as clap;
/// # use clap::crate_version;
/// # use clap::Command;
/// # fn main() {
/// let m = Command::new("cmd")
/// .version(crate_version!())
/// .get_matches();
/// # }
/// ```
#[cfg(feature = "cargo")]
#[macro_export]
@ -33,14 +31,12 @@ macro_rules! crate_version {
/// # Examples
///
/// ```no_run
/// # #[macro_use]
/// # extern crate clap;
/// # use clap_builder as clap;
/// # use clap::crate_authors;
/// # use clap::Command;
/// # fn main() {
/// let m = Command::new("cmd")
/// .author(crate_authors!("\n"))
/// .get_matches();
/// # }
/// ```
#[cfg(feature = "cargo")]
#[macro_export]
@ -66,14 +62,12 @@ macro_rules! crate_authors {
/// # Examples
///
/// ```no_run
/// # #[macro_use]
/// # extern crate clap;
/// # use clap_builder as clap;
/// # use clap::crate_description;
/// # use clap::Command;
/// # fn main() {
/// let m = Command::new("cmd")
/// .about(crate_description!())
/// .get_matches();
/// # }
/// ```
#[cfg(feature = "cargo")]
#[macro_export]
@ -94,13 +88,11 @@ macro_rules! crate_description {
/// # Examples
///
/// ```no_run
/// # #[macro_use]
/// # extern crate clap;
/// # use clap_builder as clap;
/// # use clap::crate_name;
/// # use clap::Command;
/// # fn main() {
/// let m = Command::new(crate_name!())
/// .get_matches();
/// # }
/// ```
#[cfg(feature = "cargo")]
#[macro_export]
@ -122,11 +114,9 @@ macro_rules! crate_name {
/// # Examples
///
/// ```no_run
/// # #[macro_use]
/// # extern crate clap;
/// # fn main() {
/// # use clap_builder as clap;
/// # use clap::command;
/// let m = command!().get_matches();
/// # }
/// ```
#[cfg(feature = "cargo")]
#[macro_export]
@ -508,6 +498,7 @@ macro_rules! arg_impl {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, arg};
/// let cmd = Command::new("prog")
/// .args(&[

View file

@ -26,6 +26,7 @@ use crate::INTERNAL_ERROR_MSG;
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// # use clap::parser::ValueSource;
/// let matches = Command::new("MyApp")
@ -93,6 +94,7 @@ impl ArgMatches {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, value_parser, ArgAction};
/// let m = Command::new("myapp")
/// .arg(Arg::new("port")
@ -122,6 +124,7 @@ impl ArgMatches {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// let cmd = Command::new("mycmd")
@ -156,6 +159,7 @@ impl ArgMatches {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::Command;
/// # use clap::Arg;
/// let cmd = Command::new("mycmd")
@ -200,6 +204,7 @@ impl ArgMatches {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, value_parser, ArgAction};
/// let m = Command::new("myprog")
/// .arg(Arg::new("ports")
@ -241,6 +246,7 @@ impl ArgMatches {
///
/// # Examples
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command,Arg, ArgAction, value_parser};
/// let m = Command::new("myprog")
/// .arg(Arg::new("x")
@ -278,6 +284,7 @@ impl ArgMatches {
///
/// ```rust
/// # #[cfg(unix)] {
/// # use clap_builder as clap;
/// # use clap::{Command, arg, value_parser};
/// # use std::ffi::{OsStr,OsString};
/// # use std::os::unix::ffi::{OsStrExt,OsStringExt};
@ -327,6 +334,7 @@ impl ArgMatches {
///
/// ```rust
/// # #[cfg(unix)] {
/// # use clap_builder as clap;
/// # use clap::{Command, arg, value_parser, ArgAction, Arg};
/// # use std::ffi::{OsStr,OsString};
/// # use std::os::unix::ffi::{OsStrExt,OsStringExt};
@ -381,6 +389,7 @@ impl ArgMatches {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, value_parser, ArgAction};
/// let mut m = Command::new("myprog")
/// .arg(Arg::new("file")
@ -416,6 +425,7 @@ impl ArgMatches {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, value_parser, ArgAction};
/// let mut m = Command::new("myprog")
/// .arg(Arg::new("file")
@ -456,6 +466,7 @@ impl ArgMatches {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, value_parser, ArgAction};
/// let mut m = Command::new("myprog")
/// .arg(Arg::new("x")
@ -489,6 +500,7 @@ impl ArgMatches {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("myprog")
/// .arg(Arg::new("debug")
@ -510,7 +522,8 @@ impl ArgMatches {
///
/// # Examples
///
/// ```
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg, value_parser};
///
/// let m = Command::new("myprog")
@ -538,6 +551,7 @@ impl ArgMatches {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let mut cmd = Command::new("myapp")
/// .arg(Arg::new("output")
@ -576,6 +590,7 @@ impl ArgMatches {
///
/// # Examples
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command,Arg, ArgAction};
/// let m = Command::new("myprog")
/// .arg(Arg::new("exec")
@ -614,6 +629,7 @@ impl ArgMatches {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// # use clap::parser::ValueSource;
/// let m = Command::new("myprog")
@ -664,6 +680,7 @@ impl ArgMatches {
/// in an `ArgMatches` struct for querying.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("myapp")
/// .arg(Arg::new("flag")
@ -683,6 +700,7 @@ impl ArgMatches {
/// Now notice, if we use one of the other styles of options:
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("myapp")
/// .arg(Arg::new("flag")
@ -703,6 +721,7 @@ impl ArgMatches {
/// flags. Let's also throw in the final option style for good measure.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("myapp")
/// .arg(Arg::new("flag")
@ -732,6 +751,7 @@ impl ArgMatches {
/// One final combination of flags/options to see how they combine:
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("myapp")
/// .arg(Arg::new("flag")
@ -761,6 +781,7 @@ impl ArgMatches {
/// The last part to mention is when values are sent in multiple groups with a [delimiter].
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("myapp")
/// .arg(Arg::new("option")
@ -803,6 +824,7 @@ impl ArgMatches {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg};
/// let m = Command::new("myapp")
/// .arg(Arg::new("option")
@ -820,6 +842,7 @@ impl ArgMatches {
/// Another quick example is when flags and options are used together
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("myapp")
/// .arg(Arg::new("option")
@ -843,6 +866,7 @@ impl ArgMatches {
/// index.
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("myapp")
/// .arg(Arg::new("option")
@ -881,6 +905,7 @@ impl ArgMatches {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// let app_m = Command::new("git")
/// .subcommand(Command::new("clone"))
@ -901,6 +926,7 @@ impl ArgMatches {
/// with pattern matching!
///
/// ```rust
/// # use clap_builder as clap;
/// # use std::ffi::OsString;
/// # use std::ffi::OsStr;
/// # use clap::Command;
@ -938,6 +964,7 @@ impl ArgMatches {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// let mut app_m = Command::new("git")
/// .subcommand(Command::new("clone"))
@ -960,6 +987,7 @@ impl ArgMatches {
/// with pattern matching!
///
/// ```rust
/// # use clap_builder as clap;
/// # use std::ffi::OsString;
/// # use clap::Command;
/// // Assume there is an external subcommand named "subcmd"
@ -1000,6 +1028,7 @@ impl ArgMatches {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let app_m = Command::new("myprog")
/// .arg(Arg::new("debug")
@ -1037,6 +1066,7 @@ impl ArgMatches {
/// # Examples
///
/// ```no_run
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, };
/// let app_m = Command::new("git")
/// .subcommand(Command::new("clone"))
@ -1353,7 +1383,8 @@ pub(crate) struct SubCommand {
///
/// # Examples
///
/// ```
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, arg, value_parser};
///
/// let m = Command::new("myprog")
@ -1398,6 +1429,7 @@ impl<'a> ExactSizeIterator for IdsRef<'a> {}
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let mut m = Command::new("myapp")
/// .arg(Arg::new("output")
@ -1454,6 +1486,7 @@ impl<T> Default for Values<T> {
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("myapp")
/// .arg(Arg::new("output")
@ -1512,6 +1545,7 @@ impl<'a, T: 'a> Default for ValuesRef<'a, T> {
///
/// ```rust
/// # #[cfg(unix)] {
/// # use clap_builder as clap;
/// # use clap::{Command, arg, value_parser};
/// use std::ffi::OsString;
/// use std::os::unix::ffi::{OsStrExt,OsStringExt};
@ -1820,6 +1854,7 @@ impl<'a> ExactSizeIterator for RawOccurrenceValues<'a> {}
/// # Examples
///
/// ```rust
/// # use clap_builder as clap;
/// # use clap::{Command, Arg, ArgAction};
/// let m = Command::new("myapp")
/// .arg(Arg::new("output")

View file

@ -16,6 +16,7 @@ pub enum ColorChoice {
///
/// ```rust
/// # #[cfg(feature = "color")] {
/// # use clap_builder as clap;
/// # use clap::{Command, ColorChoice};
/// Command::new("myprog")
/// .color(ColorChoice::Auto)
@ -34,6 +35,7 @@ pub enum ColorChoice {
///
/// ```rust
/// # #[cfg(feature = "color")] {
/// # use clap_builder as clap;
/// # use clap::{Command, ColorChoice};
/// Command::new("myprog")
/// .color(ColorChoice::Always)
@ -52,6 +54,7 @@ pub enum ColorChoice {
///
/// ```rust
/// # #[cfg(feature = "color")] {
/// # use clap_builder as clap;
/// # use clap::{Command, ColorChoice};
/// Command::new("myprog")
/// .color(ColorChoice::Never)

View file

@ -565,7 +565,7 @@ impl Item {
.any(|a| a.magic == Some(MagicAttrName::ValueEnum))
{
quote_spanned!(attr.name.clone().span()=> {
static DEFAULT_VALUE: clap::__macro_refs::once_cell::sync::Lazy<String> = clap::__macro_refs::once_cell::sync::Lazy::new(|| {
static DEFAULT_VALUE: clap::__derive_refs::once_cell::sync::Lazy<String> = clap::__derive_refs::once_cell::sync::Lazy::new(|| {
let val: #ty = #val;
clap::ValueEnum::to_possible_value(&val).unwrap().get_name().to_owned()
});
@ -574,7 +574,7 @@ impl Item {
})
} else {
quote_spanned!(attr.name.clone().span()=> {
static DEFAULT_VALUE: clap::__macro_refs::once_cell::sync::Lazy<String> = clap::__macro_refs::once_cell::sync::Lazy::new(|| {
static DEFAULT_VALUE: clap::__derive_refs::once_cell::sync::Lazy<String> = clap::__derive_refs::once_cell::sync::Lazy::new(|| {
let val: #ty = #val;
::std::string::ToString::to_string(&val)
});
@ -633,11 +633,11 @@ impl Item {
})
}
static DEFAULT_STRINGS: clap::__macro_refs::once_cell::sync::Lazy<Vec<::std::string::String>> = clap::__macro_refs::once_cell::sync::Lazy::new(|| {
static DEFAULT_STRINGS: clap::__derive_refs::once_cell::sync::Lazy<Vec<::std::string::String>> = clap::__derive_refs::once_cell::sync::Lazy::new(|| {
iter_to_vals(#expr).collect()
});
static DEFAULT_VALUES: clap::__macro_refs::once_cell::sync::Lazy<Vec<&str>> = clap::__macro_refs::once_cell::sync::Lazy::new(|| {
static DEFAULT_VALUES: clap::__derive_refs::once_cell::sync::Lazy<Vec<&str>> = clap::__derive_refs::once_cell::sync::Lazy::new(|| {
DEFAULT_STRINGS.iter().map(::std::string::String::as_str).collect()
});
DEFAULT_VALUES.iter().copied()
@ -653,11 +653,11 @@ impl Item {
iterable.into_iter().map(|val| val.borrow().to_string())
}
static DEFAULT_STRINGS: clap::__macro_refs::once_cell::sync::Lazy<Vec<::std::string::String>> = clap::__macro_refs::once_cell::sync::Lazy::new(|| {
static DEFAULT_STRINGS: clap::__derive_refs::once_cell::sync::Lazy<Vec<::std::string::String>> = clap::__derive_refs::once_cell::sync::Lazy::new(|| {
iter_to_vals(#expr).collect()
});
static DEFAULT_VALUES: clap::__macro_refs::once_cell::sync::Lazy<Vec<&str>> = clap::__macro_refs::once_cell::sync::Lazy::new(|| {
static DEFAULT_VALUES: clap::__derive_refs::once_cell::sync::Lazy<Vec<&str>> = clap::__derive_refs::once_cell::sync::Lazy::new(|| {
DEFAULT_STRINGS.iter().map(::std::string::String::as_str).collect()
});
DEFAULT_VALUES.iter().copied()
@ -697,7 +697,7 @@ impl Item {
.any(|a| a.magic == Some(MagicAttrName::ValueEnum))
{
quote_spanned!(attr.name.clone().span()=> {
static DEFAULT_VALUE: clap::__macro_refs::once_cell::sync::Lazy<::std::ffi::OsString> = clap::__macro_refs::once_cell::sync::Lazy::new(|| {
static DEFAULT_VALUE: clap::__derive_refs::once_cell::sync::Lazy<::std::ffi::OsString> = clap::__derive_refs::once_cell::sync::Lazy::new(|| {
let val: #ty = #val;
clap::ValueEnum::to_possible_value(&val).unwrap().get_name().to_owned()
});
@ -706,7 +706,7 @@ impl Item {
})
} else {
quote_spanned!(attr.name.clone().span()=> {
static DEFAULT_VALUE: clap::__macro_refs::once_cell::sync::Lazy<::std::ffi::OsString> = clap::__macro_refs::once_cell::sync::Lazy::new(|| {
static DEFAULT_VALUE: clap::__derive_refs::once_cell::sync::Lazy<::std::ffi::OsString> = clap::__derive_refs::once_cell::sync::Lazy::new(|| {
let val: #ty = #val;
::std::ffi::OsString::from(val)
});
@ -765,11 +765,11 @@ impl Item {
})
}
static DEFAULT_OS_STRINGS: clap::__macro_refs::once_cell::sync::Lazy<Vec<::std::ffi::OsString>> = clap::__macro_refs::once_cell::sync::Lazy::new(|| {
static DEFAULT_OS_STRINGS: clap::__derive_refs::once_cell::sync::Lazy<Vec<::std::ffi::OsString>> = clap::__derive_refs::once_cell::sync::Lazy::new(|| {
iter_to_vals(#expr).collect()
});
static DEFAULT_VALUES: clap::__macro_refs::once_cell::sync::Lazy<Vec<&::std::ffi::OsStr>> = clap::__macro_refs::once_cell::sync::Lazy::new(|| {
static DEFAULT_VALUES: clap::__derive_refs::once_cell::sync::Lazy<Vec<&::std::ffi::OsStr>> = clap::__derive_refs::once_cell::sync::Lazy::new(|| {
DEFAULT_OS_STRINGS.iter().map(::std::ffi::OsString::as_os_str).collect()
});
DEFAULT_VALUES.iter().copied()
@ -785,11 +785,11 @@ impl Item {
iterable.into_iter().map(|val| val.borrow().into())
}
static DEFAULT_OS_STRINGS: clap::__macro_refs::once_cell::sync::Lazy<Vec<::std::ffi::OsString>> = clap::__macro_refs::once_cell::sync::Lazy::new(|| {
static DEFAULT_OS_STRINGS: clap::__derive_refs::once_cell::sync::Lazy<Vec<::std::ffi::OsString>> = clap::__derive_refs::once_cell::sync::Lazy::new(|| {
iter_to_vals(#expr).collect()
});
static DEFAULT_VALUES: clap::__macro_refs::once_cell::sync::Lazy<Vec<&::std::ffi::OsStr>> = clap::__macro_refs::once_cell::sync::Lazy::new(|| {
static DEFAULT_VALUES: clap::__derive_refs::once_cell::sync::Lazy<Vec<&::std::ffi::OsStr>> = clap::__derive_refs::once_cell::sync::Lazy::new(|| {
DEFAULT_OS_STRINGS.iter().map(::std::ffi::OsString::as_os_str).collect()
});
DEFAULT_VALUES.iter().copied()

View file

@ -95,26 +95,7 @@
// Breaks up parallelism that clarifies intent
#![allow(clippy::collapsible_else_if)]
#[cfg(not(feature = "std"))]
compile_error!("`std` feature is currently required to build `clap`");
pub use crate::builder::ArgAction;
pub use crate::builder::Command;
pub use crate::builder::ValueHint;
pub use crate::builder::{Arg, ArgGroup};
pub use crate::parser::ArgMatches;
pub use crate::util::color::ColorChoice;
pub use crate::util::Id;
/// Command Line Argument Parser Error
///
/// See [`Command::error`] to create an error.
///
/// [`Command::error`]: crate::Command::error
pub type Error = crate::error::Error<crate::error::DefaultFormatter>;
pub use crate::derive::{Args, CommandFactory, FromArgMatches, Parser, Subcommand, ValueEnum};
pub use clap_builder::*;
#[cfg(feature = "derive")]
#[doc(hidden)]
pub use clap_derive::{self, *};
@ -131,25 +112,8 @@ pub mod _features;
pub mod _tutorial;
#[doc(hidden)]
pub mod __macro_refs {
#[cfg(any(feature = "derive", feature = "cargo"))]
#[cfg(feature = "derive")]
pub mod __derive_refs {
#[doc(hidden)]
pub use once_cell;
}
#[macro_use]
#[allow(missing_docs)]
mod macros;
mod derive;
pub mod builder;
pub mod error;
pub mod parser;
mod mkeymap;
mod output;
mod util;
const INTERNAL_ERROR_MSG: &str = "Fatal internal error. Please consider filing a bug \
report at https://github.com/clap-rs/clap/issues";

View file

@ -96,7 +96,7 @@ fn skip_group_avoids_duplicate_ids() {
#[should_panic = "\
Command clap: Argument group name must be unique
\t'Compose' is already in use (note: `Args` implicitly creates `ArgGroup`s; disable with `#[group(skip)]`"]
\t'Compose' is already in use"]
fn helpful_panic_on_duplicate_groups() {
#[derive(Parser, Debug)]
struct Opt {