Module type `Monad.Infix2`

Same as Infix, except the monad type has two arguments. The second is always just passed through.

type ('a, 'e) t

val (>>=) : ('a, 'e) t -> ('a -> ('b, 'e) t) -> ('b, 'e) t

val (>>|) : ('a, 'e) t -> ('a -> 'b) -> ('b, 'e) t