Module type Mappable_types.Generic

Generic describes mapping on either an arity-0 or arity-1 type.

Generic refers to the container type as 'a t, and the element type as 'a elt; substitute t/elt (arity-0) or 'a t/'a (arity-1) accordingly below.

include Generic_types.Generic
type ('a, 'phantom) t

Placeholder for the container type.

type 'a elt

Placeholder for the type of elements inside the container.

val map : ('a, 'phantom) t -> f:('a elt -> 'b elt) -> ('b, 'phantom) t

map c ~f maps f over every t in c.