blob: 0722140df61004971ee099c0a4b31bee17285669 (
plain)
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
33
34
35
36
37
38
39
40
|
//! How to use `arg_enum!` with `StructOpt`.
//!
//! Running this example with --help prints this message:
//! -----------------------------------------------------
//! structopt 0.3.25
//!
//! USAGE:
//! enum_in_args <i>
//!
//! FLAGS:
//! -h, --help Prints help information
//! -V, --version Prints version information
//!
//! ARGS:
//! <i> Important argument [possible values: Foo, Bar, FooBar]
//! -----------------------------------------------------
use clap::arg_enum;
use structopt::StructOpt;
arg_enum! {
#[derive(Debug)]
enum Baz {
Foo,
Bar,
FooBar
}
}
#[derive(StructOpt, Debug)]
struct Opt {
/// Important argument.
#[structopt(possible_values = &Baz::variants(), case_insensitive = true)]
i: Baz,
}
fn main() {
let opt = Opt::from_args();
println!("{:?}", opt);
}
|