module type S2 =The same as S except the monad type has two arguments. The second is always just passed through.sig
..end
include Monad.Infix2
module Monad_infix:Monad.Infix2
with type ('a, 'd) monad = ('a, 'd) monad
val bind : ('a, 'b) monad -> ('a -> ('c, 'b) monad) -> ('c, 'b) monad
val return : 'a -> ('a, 'b) monad
val map : ('a, 'b) monad -> f:('a -> 'c) -> ('c, 'b) monad
val join : (('a, 'b) monad, 'b) monad -> ('a, 'b) monad
val ignore : ('a, 'b) monad -> (unit, 'b) monad