Extra-1.42: A grab bag of modules.
Extra.Either
Synopsis
lefts :: [Either a b] -> [a]Source
rights :: [Either a b] -> [b]Source
concatEithers :: [Either a b] -> Either [a] [b]Source
Turn a list of eithers into an either of lists
partitionEithers :: [Either a b] -> ([a], [b])Source
Return a pair of the lefts and the rights