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-rw-r--r--structopt/examples/enum_in_args.rs25
1 files changed, 25 insertions, 0 deletions
diff --git a/structopt/examples/enum_in_args.rs b/structopt/examples/enum_in_args.rs
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+++ b/structopt/examples/enum_in_args.rs
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+//! How to use `arg_enum!` with `StructOpt`.
+
+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);
+}