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| -rw-r--r-- | test/gleam/iterator_test.gleam | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/gleam/iterator_test.gleam b/test/gleam/iterator_test.gleam index 976e209..e31b628 100644 --- a/test/gleam/iterator_test.gleam +++ b/test/gleam/iterator_test.gleam @@ -69,6 +69,14 @@ pub fn take_test() { test(22, [0, 1, 2, 3, 4]) } +pub fn transform_test() { + ["a", "b", "c", "d"] + |> iterator.from_list + |> iterator.transform(0, fn(i, el) { Next(#(i, el), i + 1) }) + |> iterator.to_list + |> should.equal([#(0, "a"), #(1, "b"), #(2, "c"), #(3, "d")]) +} + // a |> from_list |> fold(a, f) == a |> list.fold(_, a, f) pub fn fold_test() { let test = fn(subject, acc, f) { |