qsv_docopt 1.10.0

Command line argument parsing.
Documentation 
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use qsv_docopt::Docopt;
use serde::Deserialize;

// Write the Docopt usage string.
const USAGE: &str = "
Usage: cp [-a] <source> <dest>
       cp [-a] <source>... <dir>

Options:
    -a, --archive  Copy everything.
";

#[derive(Debug, Deserialize)]
struct Args {
    arg_source:   Vec<String>,
    arg_dest:     String,
    arg_dir:      String,
    flag_archive: bool,
}

fn main() {
    let args: Args = Docopt::new(USAGE)
        .and_then(|d| d.deserialize())
        .unwrap_or_else(|e| e.exit());
    println!("{:?}", args);
}