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https://github.com/clap-rs/clap
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befee6667b
This creates distinct tutorial examples from complex feature examples (more how-tos). Both sets are getting builder / derive versions (at least the critical ones).
29 lines
759 B
Rust
29 lines
759 B
Rust
use clap::{AppSettings, Parser, Subcommand};
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#[derive(Parser)]
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#[clap(author, version, about)]
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#[clap(global_setting(AppSettings::PropagateVersion))]
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#[clap(global_setting(AppSettings::UseLongFormatForHelpSubcommand))]
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#[clap(setting(AppSettings::SubcommandRequiredElseHelp))]
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struct Cli {
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#[clap(subcommand)]
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command: Commands,
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}
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#[derive(Subcommand)]
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enum Commands {
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/// Adds files to myapp
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Add { name: Option<String> },
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}
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fn main() {
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let cli = Cli::parse();
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// You can check for the existence of subcommands, and if found use their
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// matches just as you would the top level app
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match &cli.command {
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Commands::Add { name } => {
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println!("'myapp add' was used, name is: {:?}", name)
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}
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}
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}
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