:: (a -> b) -> [a] -> [b] -package:comonad -package:adjunctions -is:exact -package:ghc -is:exact -package:appar -package:shelly is:exact -package:incipit-base -package:base-compat-batteries -package:semigroupoids package:deepseq

(<$!!>) :: (Monad m, NFData b) => (a -> b) -> m a -> m b
deepseq Control.DeepSeq
Deeply strict version of <$>.