diff options
Diffstat (limited to 'vendor/clap-3.2.20/examples/tutorial_derive/04_01_enum.rs')
-rw-r--r-- | vendor/clap-3.2.20/examples/tutorial_derive/04_01_enum.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/vendor/clap-3.2.20/examples/tutorial_derive/04_01_enum.rs b/vendor/clap-3.2.20/examples/tutorial_derive/04_01_enum.rs new file mode 100644 index 000000000..1ac984288 --- /dev/null +++ b/vendor/clap-3.2.20/examples/tutorial_derive/04_01_enum.rs @@ -0,0 +1,28 @@ +use clap::{Parser, ValueEnum}; + +#[derive(Parser)] +#[clap(author, version, about, long_about = None)] +struct Cli { + /// What mode to run the program in + #[clap(arg_enum, value_parser)] + mode: Mode, +} + +#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, ValueEnum)] +enum Mode { + Fast, + Slow, +} + +fn main() { + let cli = Cli::parse(); + + match cli.mode { + Mode::Fast => { + println!("Hare"); + } + Mode::Slow => { + println!("Tortoise"); + } + } +} |