Module Stdlib.Option

val map : f:('a -> 'b) -> 'a option -> 'b option
val bind : f:('a -> 'b option) -> 'a option -> 'b option
val iter : f:('a -> unit) -> 'a option -> unit
val filter : f:('a -> bool) -> 'a option -> 'a option
val compare : ('a -> 'b -> int) -> 'a option -> 'b option -> int
val equal : ('a -> 'b -> bool) -> 'a option -> 'b option -> bool
val is_none : 'a option -> bool
val is_some : 'a option -> bool
val value : default:'a -> 'a option -> 'a