1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
use clap::{arg, command, value_parser, ArgAction};
fn main() {
let matches = command!() .arg(arg!(eff: -f).action(ArgAction::SetTrue))
.arg(arg!(pea: -p <PEAR>).value_parser(value_parser!(String)))
.arg(
arg!(slop: [SLOP])
.num_args(1..)
.last(true)
.value_parser(value_parser!(String)),
)
.get_matches();
println!("-f used: {:?}", matches.get_flag("eff"));
println!("-p's value: {:?}", matches.get_one::<String>("pea"));
println!(
"'slops' values: {:?}",
matches
.get_many::<String>("slop")
.map(|vals| vals.collect::<Vec<_>>())
.unwrap_or_default()
);
}