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Diffstat (limited to 'src/Data/List/Extra.hs')
| -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 |