ap package:rank2classes

Alphabetical synonym for <*>

Equivalent of Applicative for rank 2 data types

Subclass of Functor halfway to Applicative, satisfying

(.) <$> u <*> v <*> w == u <*> (v <*> w)

Alphabetical synonym for <$>

Like fmap, but traverses over its argument

This function always succeeds, but the methods it generates may be partial. Use with care.