Module Stdlib.Option

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