vendor/structopt/examples/enum_in_args.rs

   1 //! How to use `arg_enum!` with `StructOpt`.
   2
   3 use clap::arg_enum;
   4 use structopt::StructOpt;
   5
   6 arg_enum! {
   7     #[derive(Debug)]
   8     enum Baz {
   9         Foo,
  10         Bar,
  11         FooBar
  12     }
  13 }
  14
  15 #[derive(StructOpt, Debug)]
  16 struct Opt {
  17     /// Important argument.
  18     #[structopt(possible_values = &Baz::variants(), case_insensitive = true)]
  19     i: Baz,
  20 }
  21
  22 fn main() {
  23     let opt = Opt::from_args();
  24     println!("{:?}", opt);
  25 }