map -package:containers -package:insert-ordered-containers -package:conduit -package:dlist -package:basement -package:Cabal-syntax -package:os-string -package:imports -package:psqueues -package:regex-tdfa -package:monoidal-containers -package:base-compat -package:base-prelude -package:vector -package:incipit-base -package:text -package:base-compat-batteries is:module package:optics-core

This module defines mapping, which turns an Optic' k NoIx s a into an Optic' (MappedOptic k) NoIx (f s) (f a), in other words optic operating on values in a Functor.