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Diffstat (limited to '')
-rw-r--r-- | vendor/clap/examples/tutorial_builder/05_01_assert.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/vendor/clap/examples/tutorial_builder/05_01_assert.rs b/vendor/clap/examples/tutorial_builder/05_01_assert.rs new file mode 100644 index 000000000..d6f19ffe5 --- /dev/null +++ b/vendor/clap/examples/tutorial_builder/05_01_assert.rs @@ -0,0 +1,26 @@ +// Note: this requires the `cargo` feature + +use clap::{arg, command, value_parser}; + +fn main() { + let matches = cmd().get_matches(); + + // Note, it's safe to call unwrap() because the arg is required + let port: usize = *matches + .get_one::<usize>("PORT") + .expect("'PORT' is required and parsing will fail if its missing"); + println!("PORT = {}", port); +} + +fn cmd() -> clap::Command<'static> { + command!().arg( + arg!(<PORT>) + .help("Network port to use") + .value_parser(value_parser!(usize)), + ) +} + +#[test] +fn verify_app() { + cmd().debug_assert(); +} |