diff options
Diffstat (limited to 'vendor/clap/examples/tutorial_builder/03_05_default_values.rs')
-rw-r--r-- | vendor/clap/examples/tutorial_builder/03_05_default_values.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/vendor/clap/examples/tutorial_builder/03_05_default_values.rs b/vendor/clap/examples/tutorial_builder/03_05_default_values.rs new file mode 100644 index 000000000..c68e87973 --- /dev/null +++ b/vendor/clap/examples/tutorial_builder/03_05_default_values.rs @@ -0,0 +1,16 @@ +// Note: this requires the `cargo` feature + +use clap::{arg, command}; + +fn main() { + let matches = command!() + .arg(arg!([NAME]).default_value("alice")) + .get_matches(); + + println!( + "NAME: {:?}", + matches + .get_one::<String>("NAME") + .expect("default ensures there is always a value") + ); +} |