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authorValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
committerValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
commit1b6a04ca5504955c571d1c97504fb45ea0befee4 (patch)
tree7579f518b23313e8a9748a88ab6173d5e030b227 /vendor/clap/examples/tutorial_derive/04_01_enum.rs
parent5ecd8cf2cba827454317368b68571df0d13d7842 (diff)
downloadfparkan-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')
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diff --git a/vendor/clap/examples/tutorial_derive/04_01_enum.rs b/vendor/clap/examples/tutorial_derive/04_01_enum.rs
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+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");
+ }
+ }
+}