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| author | Louis Pilfold <louis@lpil.uk> | 2019-12-11 23:35:59 +0000 |
|---|---|---|
| committer | Louis Pilfold <louis@lpil.uk> | 2020-05-26 19:19:29 +0100 |
| commit | ae5730686b046cba6365989fc0f88b3b2644beee (patch) | |
| tree | d2d8c21bb2592b9f7b11ea504d89706bf3d3a25a | |
| parent | 8505fbdd21c5cb27679e4812f2fdcd4779ecc97b (diff) | |
| download | gleam_stdlib-ae5730686b046cba6365989fc0f88b3b2644beee.tar.gz gleam_stdlib-ae5730686b046cba6365989fc0f88b3b2644beee.zip | |
repeat test
| -rw-r--r-- | src/gleam/iterator.gleam | 2 | ||||
| -rw-r--r-- | test/gleam/iterator_test.gleam | 7 |
2 files changed, 7 insertions, 2 deletions
diff --git a/src/gleam/iterator.gleam b/src/gleam/iterator.gleam index 32bed9c..a2ca7d8 100644 --- a/src/gleam/iterator.gleam +++ b/src/gleam/iterator.gleam @@ -59,7 +59,6 @@ pub fn repeatedly(f: fn() -> element) -> Iterator(element) { unfold(Nil, fn(acc) { Next(f(), acc) }) } -// TODO: test // TODO: document pub fn repeat(x: element) -> Iterator(element) { repeatedly(fn() { x }) @@ -154,7 +153,6 @@ fn do_filter(iterator, predicate) { } } -// TODO: test // TODO: document pub fn filter(iterator: Iterator(a), for predicate: fn(a) -> Bool) -> Iterator(a) { iterator diff --git a/test/gleam/iterator_test.gleam b/test/gleam/iterator_test.gleam index f072889..b587d12 100644 --- a/test/gleam/iterator_test.gleam +++ b/test/gleam/iterator_test.gleam @@ -92,3 +92,10 @@ pub fn filter_test() { test([1, 2, 3, 4, 5], even) test([1, 2, 3, 4, 5, 6], even) } + +pub fn repeat_test() { + 1 + |> iterator.repeat + |> iterator.take(_, 5) + |> expect.equal(_, [1, 1, 1, 1, 1]) +} |