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authorValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
committerValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
commit1b6a04ca5504955c571d1c97504fb45ea0befee4 (patch)
tree7579f518b23313e8a9748a88ab6173d5e030b227 /vendor/clap/examples/escaped-positional.rs
parent5ecd8cf2cba827454317368b68571df0d13d7842 (diff)
downloadfparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.tar.xz
fparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.zip
Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
Diffstat (limited to 'vendor/clap/examples/escaped-positional.rs')
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diff --git a/vendor/clap/examples/escaped-positional.rs b/vendor/clap/examples/escaped-positional.rs
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+++ b/vendor/clap/examples/escaped-positional.rs
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+use clap::{arg, command, value_parser, ArgAction};
+
+fn main() {
+ let matches = command!() // requires `cargo` feature
+ .arg(arg!(eff: -f).action(ArgAction::SetTrue))
+ .arg(arg!(pea: -p <PEAR>).value_parser(value_parser!(String)))
+ .arg(
+ // Indicates that `slop` is only accessible after `--`.
+ arg!(slop: [SLOP])
+ .num_args(1..)
+ .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_flag("eff"));
+ // -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...
+}