:: (a -> b) -> [a] -> [b] -package:optics-core -package:base-prelude -package:ghc -is:exact -package:base -package:comonad -package:generic-deriving -package:basement is:exact -package:integration -package:amazonka-core package:deepseq

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