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| author | Giacomo Cavalieri <giacomo.cavalieri@icloud.com> | 2023-06-24 11:18:29 +0200 |
|---|---|---|
| committer | Louis Pilfold <louis@lpil.uk> | 2023-06-24 12:04:38 +0100 |
| commit | 26271b6c8165854ddc2d959c7eaf070a6c14da1f (patch) | |
| tree | 90f3efd5ca9dab07d2015f1fa4aa8b9932dca0f6 /test | |
| parent | 7999445174abbc3a40913734b2f7131180667e35 (diff) | |
| download | gleam_stdlib-26271b6c8165854ddc2d959c7eaf070a6c14da1f.tar.gz gleam_stdlib-26271b6c8165854ddc2d959c7eaf070a6c14da1f.zip | |
Add `list.map3`
Diffstat (limited to 'test')
| -rw-r--r-- | test/gleam/list_test.gleam | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/gleam/list_test.gleam b/test/gleam/list_test.gleam index b44c53c..0e3f8a1 100644 --- a/test/gleam/list_test.gleam +++ b/test/gleam/list_test.gleam @@ -189,6 +189,29 @@ pub fn map2_test() { list.map2(list, list, int.add) } +pub fn map3_test() { + let add3 = fn(x, y, z) { x + y + z } + + list.map3([], [1, 2, 3], [4, 5, 6], add3) + |> should.equal([]) + + list.map3([1, 2, 3], [], [4, 5, 6], add3) + |> should.equal([]) + + list.map3([1, 2, 3], [4, 5, 6], [], add3) + |> should.equal([]) + + list.map3([1, 2, 3], [4, 5], [6], add3) + |> should.equal([11]) + + list.map3([1, 2, 3], [4, 5, 6], [7, 8, 9], add3) + |> should.equal([12, 15, 18]) + + // TCO test + let list = list.repeat(0, recursion_test_cycles) + list.map3(list, list, list, add3) +} + pub fn map_fold_test() { [1, 2, 3, 4] |> list.map_fold(from: 0, with: fn(acc, i) { #(acc + i, i * 2) }) |