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Diffstat (limited to '')
-rw-r--r-- | vendor/clap/examples/escaped-positional.rs | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/vendor/clap/examples/escaped-positional.rs b/vendor/clap/examples/escaped-positional.rs new file mode 100644 index 000000000..a0fff790b --- /dev/null +++ b/vendor/clap/examples/escaped-positional.rs @@ -0,0 +1,41 @@ +// Note: this requires the `cargo` feature + +use clap::{arg, command, value_parser, ArgAction}; + +fn main() { + let matches = command!() + .arg(arg!(eff: -f).action(ArgAction::SetTrue)) + .arg( + arg!(pea: -p <PEAR>) + .required(false) + .value_parser(value_parser!(String)), + ) + .arg( + // Indicates that `slop` is only accessible after `--`. + arg!(slop: [SLOP]) + .multiple_values(true) + .last(true) + .value_parser(value_parser!(String)), + ) + .get_matches(); + + // This is what will happen with `myprog -f -p=bob -- sloppy slop slop`... + + // -f used: true + println!( + "-f used: {:?}", + *matches.get_one::<bool>("eff").expect("defaulted by clap") + ); + // -p's value: Some("bob") + println!("-p's value: {:?}", matches.get_one::<String>("pea")); + // 'slops' values: Some(["sloppy", "slop", "slop"]) + println!( + "'slops' values: {:?}", + matches + .get_many::<String>("slop") + .map(|vals| vals.collect::<Vec<_>>()) + .unwrap_or_default() + ); + + // Continued program logic goes here... +} |