diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gleam/list.gleam | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/gleam/list.gleam b/src/gleam/list.gleam index 9acc6ce..c74bd20 100644 --- a/src/gleam/list.gleam +++ b/src/gleam/list.gleam @@ -488,6 +488,15 @@ if javascript { } } +/// Prefixes an item to a list. This can also be done using the dedicated +/// syntax instead +/// +/// let new_list = [1, ..existing_list] +/// +pub fn prepend(to list: List(a), item: a) -> List(a) { + [item, ..list] +} + fn do_flatten(lists: List(List(a)), acc: List(a)) -> List(a) { case lists { [] -> acc |