Module Select_utils.Effect_and_coeffect
val none : tval arbitrary : tval coeffect : t -> Coeffect.tval pure_and_copure : t -> boolval coeffect_only : Coeffect.t -> tval create : Effect.t -> Coeffect.t -> tSelect_utils.Effect_and_coeffectval none : tval arbitrary : tval coeffect : t -> Coeffect.tval pure_and_copure : t -> boolval coeffect_only : Coeffect.t -> tval create : Effect.t -> Coeffect.t -> t