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Diffstat (limited to 'src')
-rw-r--r-- | src/gleam/list.gleam | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/gleam/list.gleam b/src/gleam/list.gleam index 9c554f7..8beeeb9 100644 --- a/src/gleam/list.gleam +++ b/src/gleam/list.gleam @@ -790,7 +790,19 @@ pub fn find_map( pub fn all(in list: List(a), satisfying predicate: fn(a) -> Bool) -> Bool { case list { [] -> True - [x, ..rest] -> predicate(x) && all(rest, predicate) + list -> all_tail_recursive(list, predicate, True) + } +} + +fn all_tail_recursive( + list: List(a), + predicate: fn(a) -> Bool, + accumulator: Bool, +) -> Bool { + case list { + [] -> accumulator + [x, ..rest] -> + all_tail_recursive(rest, predicate, accumulator && predicate(x)) } } |