From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- vendor/clap/examples/tutorial_builder/04_02_parse.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 vendor/clap/examples/tutorial_builder/04_02_parse.rs (limited to 'vendor/clap/examples/tutorial_builder/04_02_parse.rs') diff --git a/vendor/clap/examples/tutorial_builder/04_02_parse.rs b/vendor/clap/examples/tutorial_builder/04_02_parse.rs new file mode 100644 index 000000000..c2f3cc533 --- /dev/null +++ b/vendor/clap/examples/tutorial_builder/04_02_parse.rs @@ -0,0 +1,19 @@ +// Note: this requires the `cargo` feature + +use clap::{arg, command, value_parser}; + +fn main() { + let matches = command!() + .arg( + arg!() + .help("Network port to use") + .value_parser(value_parser!(u16).range(1..)), + ) + .get_matches(); + + // Note, it's safe to call unwrap() because the arg is required + let port: u16 = *matches + .get_one::("PORT") + .expect("'PORT' is required and parsing will fail if its missing"); + println!("PORT = {}", port); +} -- cgit v1.2.3