clap/tests/derive_ui/positional_bool.rs

use clap::Parser;

#[derive(Parser, Debug)]
struct Opt {
    verbose: bool,
}

fn main() {
    Opt::parse();
}
fix(derive)!: Rename `Clap` to `Parser`. Before #2005, `Clap` was a special trait that derived all clap traits it detected were relevant (including an enum getting both `ArgEnum`, `Clap`, and `Subcommand`). Now, we have elevated `Clap`, `Args`, `Subcommand`, and `ArgEnum` to be user facing but the name `Clap` isn't very descriptive. This also helps further clarify the relationships so a crate providing an item to be `#[clap(flatten)]` or `#[clap(subcommand)]` is more likely to choose the needed trait to derive. Also, my proposed fix fo #2785 includes making `App` attributes almost exclusively for `Clap`. Clarifying the names/roles will help communicate this. For prior discussion, see #2583 2021-07-13 17:50:55 +00:00			`use clap::Parser;`
Ported all the commits from structopt (#23) * Automatic naming of fields and subcommands (#143) * Introduce smarter parsing of doc comments. (#146) * Fix invalid structopt syntax error message (#154) There was a typo preventing the probematic attr to be shown to the user. * Fix spelling: occurences -> occurrences, (#158) was found in comments and code, but required no user-facing API change. * Remove line-ending periods from short help. (#161) * Fix #168 * Support Option<Option<T>> field types (#190) * Support Option<Vec<T>> field type (#191) * Fix use of deprecated function * Fix some clippy lints * Update deprecated function and provide more info about the parsing error (#193) * Improve ChangeLog as suggested by @ErichDonGubler (#194) * [Casing] Change default from verbatim to kebab. (#204) .. fixes TeXitoi/structopt#202 * Use trybuild for testing expected proc macro errors (#205) * Custom attributes parser (#198) * update README.md for 0.3 fix #208 * Small fixes: clippy and typos (#215) * Add example for environment variables (#160) (#216) * Support skipping struct fields (#213) * Now error messages highlight the error location (#225) * Minor fixes * Change behavior of `about/author/version` and ad `no_version` * Emit error about `raw` removal * Update changelog * Update keyvalue example (#234) * Update documentation and changelog (#236) * Update dependencies (#227) * Bump minimum rustc version to 1.36 * Fix issues * Fix structopt-derive permissions (#239) * Fix #245 (#246) * Emit dummy impls on error (#248) * Fix changelog example (#250) * Do not call .verison() when CARGO_PKG_VERSION is not set * Update and improve docs * Propagate span info from origin code to generated code Most of `quote!` invocations are replaced with `quote_spanned!` ones. Now everywhere - sometimes it's pointless, sometimes we don't have any meaningless location to toke a span from, sometimes I just can't workaround the current implementation - too much changes. * Fix nightly tests * Do not mangle `author` string inside `<...>` * Support `skip = value` syntax * Fix code formatting * Fix nightly tests * Run ui tests only on stable * Add from_flag parser (#271) * Clarify docs and error messages (#277) * Fix parse for OptionVec (#279) ref pull #191 * Fix #269 and #265 (#278) * Pass the try_from_str functions a &str instead of a &String. (#282) In most cases this doesn't matter, as &String is coerced to a &str, but this fails for generic functions like CString::new. * Add an example of a negative flag (i.e. --no-verbose) Question from https://github.com/TeXitoi/structopt/issues/280 * Fix #283 (#284) Fix #283 * Add `examples/README.md` and do some cleanup * Handle special types correctly * cargo clippy * Handle inter-expansion top-level args properly * Cleanup tests * Update proc-macro-error to v0.4 * Offer helpful suggestion on `raw(...)` error * Add `after_help` example * Prohibit positional `bool` args * Add tests/utils.rs * fixed typo, removed misleading doc * Remove CHANGELOG additions * Rust 2018 * Addressed review Co-authored-by: rnd <bruno.kirschner@online.de> Co-authored-by: Robin Lambertz <github@roblab.la> Co-authored-by: florianjacob <accounts+github@florianjacob.de> Co-authored-by: Ted Driggs <ted.driggs@outlook.com> Co-authored-by: Guillaume P. <TeXitoi@users.noreply.github.com> Co-authored-by: Ivan Veselov <veselov@gmail.com> Co-authored-by: Owen Walpole <owenthewizard@hotmail.com> Co-authored-by: Robin Stocker <robin.stocker@gmail.com> Co-authored-by: CreepySkeleton <creepy-skeleton@yandex.ru> Co-authored-by: Ophir LOJKINE <ophir.lojkine@auto-grid.com> Co-authored-by: kpcyrd <git@rxv.cc> Co-authored-by: Luiz F. A. de Prá <luizdepra@users.noreply.github.com> Co-authored-by: Andy Weiss <wvvwwvw@gmail.com> Co-authored-by: xiaoniu-578fa6bff964d005 <32661032+xiaoniu-578fa6bff964d005@users.noreply.github.com> Co-authored-by: Mara Bos <m-ou.se@m-ou.se> Co-authored-by: Renê Couto e Silva <31329678+csrene@users.noreply.github.com> 2020-01-07 10:17:23 +00:00
fix(derive)!: Rename `Clap` to `Parser`. Before #2005, `Clap` was a special trait that derived all clap traits it detected were relevant (including an enum getting both `ArgEnum`, `Clap`, and `Subcommand`). Now, we have elevated `Clap`, `Args`, `Subcommand`, and `ArgEnum` to be user facing but the name `Clap` isn't very descriptive. This also helps further clarify the relationships so a crate providing an item to be `#[clap(flatten)]` or `#[clap(subcommand)]` is more likely to choose the needed trait to derive. Also, my proposed fix fo #2785 includes making `App` attributes almost exclusively for `Clap`. Clarifying the names/roles will help communicate this. For prior discussion, see #2583 2021-07-13 17:50:55 +00:00			`#[derive(Parser, Debug)]`
Ported all the commits from structopt (#23) * Automatic naming of fields and subcommands (#143) * Introduce smarter parsing of doc comments. (#146) * Fix invalid structopt syntax error message (#154) There was a typo preventing the probematic attr to be shown to the user. * Fix spelling: occurences -> occurrences, (#158) was found in comments and code, but required no user-facing API change. * Remove line-ending periods from short help. (#161) * Fix #168 * Support Option<Option<T>> field types (#190) * Support Option<Vec<T>> field type (#191) * Fix use of deprecated function * Fix some clippy lints * Update deprecated function and provide more info about the parsing error (#193) * Improve ChangeLog as suggested by @ErichDonGubler (#194) * [Casing] Change default from verbatim to kebab. (#204) .. fixes TeXitoi/structopt#202 * Use trybuild for testing expected proc macro errors (#205) * Custom attributes parser (#198) * update README.md for 0.3 fix #208 * Small fixes: clippy and typos (#215) * Add example for environment variables (#160) (#216) * Support skipping struct fields (#213) * Now error messages highlight the error location (#225) * Minor fixes * Change behavior of `about/author/version` and ad `no_version` * Emit error about `raw` removal * Update changelog * Update keyvalue example (#234) * Update documentation and changelog (#236) * Update dependencies (#227) * Bump minimum rustc version to 1.36 * Fix issues * Fix structopt-derive permissions (#239) * Fix #245 (#246) * Emit dummy impls on error (#248) * Fix changelog example (#250) * Do not call .verison() when CARGO_PKG_VERSION is not set * Update and improve docs * Propagate span info from origin code to generated code Most of `quote!` invocations are replaced with `quote_spanned!` ones. Now everywhere - sometimes it's pointless, sometimes we don't have any meaningless location to toke a span from, sometimes I just can't workaround the current implementation - too much changes. * Fix nightly tests * Do not mangle `author` string inside `<...>` * Support `skip = value` syntax * Fix code formatting * Fix nightly tests * Run ui tests only on stable * Add from_flag parser (#271) * Clarify docs and error messages (#277) * Fix parse for OptionVec (#279) ref pull #191 * Fix #269 and #265 (#278) * Pass the try_from_str functions a &str instead of a &String. (#282) In most cases this doesn't matter, as &String is coerced to a &str, but this fails for generic functions like CString::new. * Add an example of a negative flag (i.e. --no-verbose) Question from https://github.com/TeXitoi/structopt/issues/280 * Fix #283 (#284) Fix #283 * Add `examples/README.md` and do some cleanup * Handle special types correctly * cargo clippy * Handle inter-expansion top-level args properly * Cleanup tests * Update proc-macro-error to v0.4 * Offer helpful suggestion on `raw(...)` error * Add `after_help` example * Prohibit positional `bool` args * Add tests/utils.rs * fixed typo, removed misleading doc * Remove CHANGELOG additions * Rust 2018 * Addressed review Co-authored-by: rnd <bruno.kirschner@online.de> Co-authored-by: Robin Lambertz <github@roblab.la> Co-authored-by: florianjacob <accounts+github@florianjacob.de> Co-authored-by: Ted Driggs <ted.driggs@outlook.com> Co-authored-by: Guillaume P. <TeXitoi@users.noreply.github.com> Co-authored-by: Ivan Veselov <veselov@gmail.com> Co-authored-by: Owen Walpole <owenthewizard@hotmail.com> Co-authored-by: Robin Stocker <robin.stocker@gmail.com> Co-authored-by: CreepySkeleton <creepy-skeleton@yandex.ru> Co-authored-by: Ophir LOJKINE <ophir.lojkine@auto-grid.com> Co-authored-by: kpcyrd <git@rxv.cc> Co-authored-by: Luiz F. A. de Prá <luizdepra@users.noreply.github.com> Co-authored-by: Andy Weiss <wvvwwvw@gmail.com> Co-authored-by: xiaoniu-578fa6bff964d005 <32661032+xiaoniu-578fa6bff964d005@users.noreply.github.com> Co-authored-by: Mara Bos <m-ou.se@m-ou.se> Co-authored-by: Renê Couto e Silva <31329678+csrene@users.noreply.github.com> 2020-01-07 10:17:23 +00:00			`struct Opt {`
			`verbose: bool,`
			`}`

			`fn main() {`
			`Opt::parse();`
			`}`