accessor

A library that makes it nicer to work with nested functional data structures
IN THIS PACKAGE
val (>>=) : ( 'i, 'a, 'j ) t -> ( 'a -> ( 'j, 'b, 'k ) t ) -> ( 'i, 'b, 'k ) t
val (>>|) : ( 'i, 'a, 'j ) t -> ( 'a -> 'b ) -> ( 'i, 'b, 'j ) t