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Diffstat (limited to 'sequenceA.hs')
| -rw-r--r-- | sequenceA.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sequenceA.hs b/sequenceA.hs new file mode 100644 index 0000000..f918a44 --- /dev/null +++ b/sequenceA.hs @@ -0,0 +1,4 @@ +import Control.Applicative + +sequenceA :: (Applicative f) => [f a] -> f [a] +sequenceA = foldr (liftA2 (:)) (pure []) |