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Merge pull request #2663 from rami3l/docs-example

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docs(example): clarify `stop_parsing_with_--`
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Pavan Kumar Sunkara 2021-08-03 17:32:58 +01:00 committed by GitHub
commit 8b6034e668
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1 changed files with 5 additions and 5 deletions
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10
examples/22_stop_parsing_with_--.rs
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@ -1,6 +1,5 @@
use clap::{App, Arg};
/// myprog -f -p=bob -- sloppy slop slop
fn main() {
let matches = App::new("myprog")
.arg(Arg::new("eff").short('f'))
@ -9,18 +8,19 @@ fn main() {
Arg::new("slop")
.takes_value(true)
.multiple_values(true)
.last(true),
.last(true), // Indicates that `slop` is only accessible after `--`.
)
.get_matches();
println!("-f used: {:?}", matches.is_present("eff"));
println!("-p's value: {:?}", matches.value_of("pea"));
// This is what will happen with `myprog -f -p=bob -- sloppy slop slop`...
println!("-f used: {:?}", matches.is_present("eff")); // -f used: true
println!("-p's value: {:?}", matches.value_of("pea")); // -p's value: Some("bob")
println!(
"'slops' values: {:?}",
matches
.values_of("slop")
.map(|vals| vals.collect::<Vec<_>>())
);
); // 'slops' values: Some(["sloppy", "slop", "slop"])
// Continued program logic goes here...
}