use indexmap::{indexmap, indexset}; #[test] fn test_sort() { let m = indexmap! { 1 => 2, 7 => 1, 2 => 2, 3 => 3, }; itertools::assert_equal( m.sorted_by(|_k1, v1, _k2, v2| v1.cmp(v2)), vec![(7, 1), (1, 2), (2, 2), (3, 3)], ); } #[test] fn test_sort_set() { let s = indexset! { 1, 7, 2, 3, }; itertools::assert_equal(s.sorted_by(|v1, v2| v1.cmp(v2)), vec![1, 2, 3, 7]); }