Option.Make_monadic_iterators
Make iterators to handle options of monadic elements and monadic options.
module M : Monad.S
val fold : ('a -> 'b -> 'a M.t) -> 'a -> 'b option -> 'a M.t
val map : ('a -> 'b M.t) -> 'a option -> 'b option M.t
val iter : ('a -> unit M.t) -> 'a option -> unit M.t