accessor

A library that makes it nicer to work with nested functional data structures
IN THIS PACKAGE
Parameter #1 Accessor . Mapper . Make_access3 . T
type ('a, 'b, 'c) t
val mapper : ( 'at -> f:( 'a -> 'b ) -> 'bt ) -> ( 'a, 'b, 'c ) t -> ( 'at, 'bt, 'c ) t