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author | Valentin Popov <valentin@popov.link> | 2024-01-08 00:21:28 +0300 |
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committer | Valentin Popov <valentin@popov.link> | 2024-01-08 00:21:28 +0300 |
commit | 1b6a04ca5504955c571d1c97504fb45ea0befee4 (patch) | |
tree | 7579f518b23313e8a9748a88ab6173d5e030b227 /vendor/clap/examples/tutorial_derive/04_01_enum.rs | |
parent | 5ecd8cf2cba827454317368b68571df0d13d7842 (diff) | |
download | fparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.tar.xz fparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.zip |
Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
Diffstat (limited to 'vendor/clap/examples/tutorial_derive/04_01_enum.rs')
-rw-r--r-- | vendor/clap/examples/tutorial_derive/04_01_enum.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/vendor/clap/examples/tutorial_derive/04_01_enum.rs b/vendor/clap/examples/tutorial_derive/04_01_enum.rs new file mode 100644 index 0000000..41410a3 --- /dev/null +++ b/vendor/clap/examples/tutorial_derive/04_01_enum.rs @@ -0,0 +1,32 @@ +use clap::{Parser, ValueEnum}; + +#[derive(Parser)] +#[command(author, version, about, long_about = None)] +struct Cli { + /// What mode to run the program in + #[arg(value_enum)] + mode: Mode, +} + +#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, ValueEnum)] +enum Mode { + /// Run swiftly + Fast, + /// Crawl slowly but steadily + /// + /// This paragraph is ignored because there is no long help text for possible values. + Slow, +} + +fn main() { + let cli = Cli::parse(); + + match cli.mode { + Mode::Fast => { + println!("Hare"); + } + Mode::Slow => { + println!("Tortoise"); + } + } +} |