diff options
| author | tv <tv@krebsco.de> | 2022-04-05 21:39:55 +0200 |
|---|---|---|
| committer | tv <tv@krebsco.de> | 2022-04-05 22:06:40 +0200 |
| commit | f4cdf79bd4a75e9eafe68b9a908f4cc68682b7ef (patch) | |
| tree | d2cb50df2344d97042b2c006ee39811e2b87511d /src/Data/List | |
| parent | 032cb86ff8108eb4915a692015da344a41f78506 (diff) | |
boom
Diffstat (limited to 'src/Data/List')
| -rw-r--r-- | src/Data/List/Extra.hs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/Data/List/Extra.hs b/src/Data/List/Extra.hs new file mode 100644 index 0000000..d18bc76 --- /dev/null +++ b/src/Data/List/Extra.hs @@ -0,0 +1,8 @@ +module Data.List.Extra where + +import Data.Maybe (listToMaybe) + + +(!!?) :: [a] -> Int -> Maybe a +x !!? i | i >= 0 = listToMaybe (drop i x) +_ !!? _ = Nothing |