mirror of
https://github.com/clap-rs/clap
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d840d5650e
Before #2005, `Clap` was a special trait that derived all clap traits it detected were relevant (including an enum getting both `ArgEnum`, `Clap`, and `Subcommand`). Now, we have elevated `Clap`, `Args`, `Subcommand`, and `ArgEnum` to be user facing but the name `Clap` isn't very descriptive. This also helps further clarify the relationships so a crate providing an item to be `#[clap(flatten)]` or `#[clap(subcommand)]` is more likely to choose the needed trait to derive. Also, my proposed fix fo #2785 includes making `App` attributes almost exclusively for `Clap`. Clarifying the names/roles will help communicate this. For prior discussion, see #2583
13 lines
198 B
Rust
13 lines
198 B
Rust
use clap::Parser;
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#[derive(Parser, Debug)]
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#[clap(name = "basic")]
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struct Opt {
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#[clap(short, arg_enum)]
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opts: bool,
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}
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fn main() {
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let opt = Opt::parse();
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println!("{:?}", opt);
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}
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