gistfile1.rs

#![feature(test)]

extern crate test;

pub fn minus_one(number: i32) -> i32 {
    number - 1
}

#[cfg(test)]
mod tests {
    use super::*;
    use test::Bencher;

    #[test]
    fn test_minus_one() {
        assert_eq!(minus_one(1), 0);
    }

    #[bench]
    fn bench_minus_one(b: &mut Bencher) {
        b.iter(|| minus_one(1));
    }
}