diff options
Diffstat (limited to 'lib/ur/list.ur')
| -rw-r--r-- | lib/ur/list.ur | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/ur/list.ur b/lib/ur/list.ur index 32a9679c..2679d877 100644 --- a/lib/ur/list.ur +++ b/lib/ur/list.ur @@ -206,6 +206,20 @@ fun foldlMap [a] [b] [c] f = fold [] end +fun find [a] f = + let + fun find' ls = + case ls of + [] => None + | x :: ls => + if f x then + Some x + else + find' ls + in + find' + end + fun search [a] [b] f = let fun search' ls = |