#![feature(test)] extern crate clap; extern crate test; use clap::App; use test::Bencher; #[bench] fn build_app(b: &mut Bencher) { b.iter(|| App::new("claptests")); } #[bench] fn parse_clean(b: &mut Bencher) { b.iter(|| App::new("claptests").get_matches_from(vec![""])); }