bench_maplit_hash.rs

bench_maplit_hash.rs

#![feature(test)]                 
                            
extern crate test;
#[macro_use] extern crate bencher;
#[macro_use] extern crate maplit;
                                                                                                                                                             
use test::Bencher;
use std::collections::HashSet;

fn test_maplit() -> HashSet<&'static str> {
        let a = hashset!{"a", "a", "a", "b", "c"};
    a
}

fn test_stdlib() -> HashSet<&'static str> {
        let b: HashSet<&'static str> = ["a", "a", "a", "b", "c"].iter().cloned().collect();
    b
}


fn main() {
    let a = test_maplit();
        println!("{:?}", a);

    let b = test_stdlib();
        println!("{:?}", b);
}


#[bench]
fn bench_maplit(b: &mut Bencher) {
    b.iter(|| test_maplit())
}

#[bench]
fn bench_stdlib(b: &mut Bencher) {
    b.iter(|| test_stdlib())
}