clap_complete_command 0.3.0

Reduces boilerplate for adding a completion command to Clap
Documentation 
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use clap::{IntoApp, Parser, Subcommand};

#[derive(Parser)]
struct Cli {
    #[clap(subcommand)]
    command: Commands,
}

#[derive(Subcommand)]
enum Commands {
    /// Generate shell completions
    Completion {
        /// The shell to generate the completions for
        #[clap(arg_enum)]
        shell: clap_complete_command::Shell,
    },
}

fn main() {
    let cli = Cli::parse();

    match cli.command {
        Commands::Completion { shell } => {
            shell.generate(&mut Cli::command(), &mut std::io::stdout());
        }
    }
}