Type.Polymorphic3
Same as Polymorphic for polymorphic types with three type variables.
Polymorphic
type ('a, 'b, 'c) poly
val instantiate : 'a t -> 'b t -> 'c t -> ( 'a, 'b, 'c ) poly t * bool
val is_instance_of : 'a t -> bool
val get_instance : ( 'a, 'b, 'c ) poly t -> 'a t * 'b t * 'c t