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extern crate argparse;
use argparse::{ArgumentParser, StoreTrue, Store, Print};
fn main() {
let mut verbose = false;
let mut name = "World".to_string();
{
let mut ap = ArgumentParser::new();
ap.set_description("Greet somebody.");
ap.add_option(&["-V", "--version"],
Print(env!("CARGO_PKG_VERSION").to_string()), "Show version");
ap.refer(&mut verbose)
.add_option(&["-v", "--verbose"], StoreTrue,
"Be verbose");
ap.refer(&mut name)
.add_option(&["--name"], Store,
"Name for the greeting");
ap.parse_args_or_exit();
}
if verbose {
println!("name is {}", name);
}
println!("Hello {}!", name);
}
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