Macro rags_rs::argparse

macro_rules! argparse {
    () => { ... };
    ($args:ident) => { ... };
    ($args:expr) => { ... };
    ($p:ident, true) => { ... };
}

Helper macro to populate the application name, version, and description from the Cargo manifest. Metadata setter functions can be called multiple times if only some of this information is specified in the manifest.

If called with no arguments, this is the same as Parser::from_args. Providing one or more args passes the args to Parser::from_strings.