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Diffstat (limited to 'src/Hakyll/Core')
| -rw-r--r-- | src/Hakyll/Core/Util/Arrow.hs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/Hakyll/Core/Util/Arrow.hs b/src/Hakyll/Core/Util/Arrow.hs index 1896e11..d97ba22 100644 --- a/src/Hakyll/Core/Util/Arrow.hs +++ b/src/Hakyll/Core/Util/Arrow.hs @@ -4,6 +4,7 @@ module Hakyll.Core.Util.Arrow ( constA , sequenceA , unitA + , mapA ) where import Control.Arrow (Arrow, (&&&), arr, (>>^)) @@ -23,3 +24,8 @@ sequenceA = foldl reduce $ constA [] unitA :: Arrow a => a b () unitA = constA () + +mapA :: Arrow a + => (b -> c) + -> a [b] [c] +mapA = arr . map |