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https://github.com/clap-rs/clap
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befee6667b
This creates distinct tutorial examples from complex feature examples (more how-tos). Both sets are getting builder / derive versions (at least the critical ones).
22 lines
669 B
Rust
22 lines
669 B
Rust
use clap::{app_from_crate, arg, App, AppSettings};
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fn main() {
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let matches = app_from_crate!()
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.global_setting(AppSettings::PropagateVersion)
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.global_setting(AppSettings::UseLongFormatForHelpSubcommand)
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.setting(AppSettings::SubcommandRequiredElseHelp)
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.subcommand(
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App::new("add")
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.about("Adds files to myapp")
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.arg(arg!([NAME])),
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)
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.get_matches();
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match matches.subcommand() {
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Some(("add", sub_matches)) => println!(
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"'myapp add' was used, name is: {:?}",
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sub_matches.value_of("NAME")
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),
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_ => unreachable!(),
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}
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}
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