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
use bpaf::*;
#[derive(Debug, Clone, Bpaf)]
#[allow(dead_code)]
struct Action {
verbose: bool,
number: u32,
}
#[derive(Debug, Clone, Bpaf)]
#[allow(dead_code)]
struct Build {
verbose: bool,
}
#[derive(Debug, Clone)]
enum Command {
Action(Action),
Build(Build),
}
fn shared() -> impl Parser<Vec<String>> {
positional("ARG").many()
}
fn parse_command() -> impl Parser<(Command, Vec<String>)> {
let action = action().map(Command::Action);
let action = construct!(action, shared()).to_options().command("action");
let build = build().map(Command::Build);
let build = construct!(build, shared()).to_options().command("build");
construct!([action, build])
}
fn main() {
let opts = parse_command().to_options().run();
println!("{:?}", opts);
}