Darcs.Patch.Witnesses.Maybe
data Maybe2 p wX wY where Source #
Constructors
maybeToFL :: Maybe2 p wX wY -> FL p wX wY Source #
maybeToRL :: Maybe2 p wX wY -> RL p wX wY Source #
mapMB_MB :: (p wX wY -> q wX wY) -> Maybe2 p wX wY -> Maybe2 q wX wY Source #