Paul Moore wrote: > I'm after a function, sort of equivalent to map, but rather than > mapping a function over a list of arguments, I want to map a list of > functions over the same argument. The signature would be [a -> b] -> a > -> [b], but hoogle didn't come up with anything. > > It seems like an obvious analogue of map, so I'm pretty sure I'm > missing something (otherwise, I'd just write it myself, and not bother > :-)) > > Can anyone point me in the right direction?
It's also known as sequence :: Monad m => [m b] -> m [b] with m = (->) a sequence :: [a -> b] -> (a -> [b]) This is the fabulous MonadReader. Regards, apfelmus _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
