diff options
Diffstat (limited to 'third_party/rust/clap/examples/tutorial_derive/03_05_default_values.rs')
-rw-r--r-- | third_party/rust/clap/examples/tutorial_derive/03_05_default_values.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/third_party/rust/clap/examples/tutorial_derive/03_05_default_values.rs b/third_party/rust/clap/examples/tutorial_derive/03_05_default_values.rs new file mode 100644 index 0000000000..bc33a931ab --- /dev/null +++ b/third_party/rust/clap/examples/tutorial_derive/03_05_default_values.rs @@ -0,0 +1,14 @@ +use clap::Parser; + +#[derive(Parser)] +#[command(author, version, about, long_about = None)] +struct Cli { + #[arg(default_value_t = 2020)] + port: u16, +} + +fn main() { + let cli = Cli::parse(); + + println!("port: {:?}", cli.port); +} |