vendor/xflags-macros/tests/it/src/help.rs


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xflags! {
    /// Does stuff
    ///
    /// Helpful stuff.
    cmd helpful
        /// With an arg.
        optional src: PathBuf
        /// Another arg.
        ///
        /// This time, we provide some extra info about the
        /// arg. Maybe some caveats, or what kinds of
        /// values are accepted.
        optional extra: String
    {
        /// And a switch.
        required -s, --switch

        /// And even a subcommand!
        cmd sub {
            /// With an optional flag. This has a really long
            /// description which spans multiple lines.
            optional -f, --flag
        }
    }
}