Module `IStdlib.GOption`

type none
type some
type (_, _) t = | GNone : (none, _) t | GSome : 'a -> (some, 'a) t

val value : (some, 'a) t -> 'a
val value_map : (_, 'a) t -> default:'b -> f:('a -> 'b) -> 'b
val value_map_f : (_, 'a) t -> default:(unit -> 'b) -> f:('a -> 'b) -> 'b: Like value_map but the default value is evaluated lazily