Module Type.Polymorphic4

Generic implementation of polymorphic type value with four type variables.

Parameters

Signature

type ('a, 'b, 'c, 'd) poly = ( 'a, 'b, 'c, 'd ) T.t
val instantiate : 'a t -> 'b t -> 'c t -> 'd t -> ( 'a, 'b, 'c, 'd ) poly t * bool
val is_instance_of : 'a t -> bool
val get_instance : ( 'a, 'b, 'c, 'd ) poly t -> 'a t * 'b t * 'c t * 'd t