module Option_util: sig .. end
sig
end
val map : ('a -> 'b) -> 'a option -> 'b option
('a -> 'b) -> 'a option -> 'b option
val bind : ('a -> 'b option) -> 'a option -> 'b option
('a -> 'b option) -> 'a option -> 'b option
val unsome : 'a -> 'a option -> 'a
'a -> 'a option -> 'a
val equal : ('a -> 'a -> bool) -> 'a option -> 'a option -> bool
('a -> 'a -> bool) -> 'a option -> 'a option -> bool