module type Infix2 =Same as Infix, except the monad type has two arguments. The second is always just passed through.sig
..end
type ('a, 'd)
t
val (>>=) : ('a, 'd) t ->
('a -> ('b, 'd) t) -> ('b, 'd) t
val (>>|) : ('a, 'd) t -> ('a -> 'b) -> ('b, 'd) t