vendor/itertools-0.9.0/benches/combinations_with_replacement.rs

   1 use criterion::{black_box, criterion_group, criterion_main, Criterion};
   2 use itertools::Itertools;
   3
   4 fn comb_replacement_n10_k5(c: &mut Criterion) {
   5     c.bench_function("comb replacement n10k5", move |b| {
   6         b.iter(|| {
   7             for i in (0..10).combinations_with_replacement(5) {
   8                 black_box(i);
   9             }
  10         })
  11     });
  12 }
  13
  14 fn comb_replacement_n5_k10(c: &mut Criterion) {
  15     c.bench_function("comb replacement n5 k10", move |b| {
  16         b.iter(|| {
  17             for i in (0..5).combinations_with_replacement(10) {
  18                 black_box(i);
  19             }
  20         })
  21     });
  22 }
  23
  24 fn comb_replacement_n10_k10(c: &mut Criterion) {
  25     c.bench_function("comb replacement n10 k10", move |b| {
  26         b.iter(|| {
  27             for i in (0..10).combinations_with_replacement(10) {
  28                 black_box(i);
  29             }
  30         })
  31     });
  32 }
  33
  34 criterion_group!(
  35     benches,
  36     comb_replacement_n10_k5,
  37     comb_replacement_n5_k10,
  38     comb_replacement_n10_k10,
  39 );
  40 criterion_main!(benches);