Module Flambda2_lattices.Or_bottom
type 'a t = | Ok of 'a| Bottom
val both : 'a t -> 'b t -> f:('a -> 'b -> 'c) -> 'c tval map : 'a t -> f:('a -> 'b) -> 'b tval value_map : 'a t -> bottom:'b -> f:('a -> 'b) -> 'bval all : 'a t list -> 'a list tval bind : 'a t -> f:('a -> 'b t) -> 'b t