val return : 'a -> ('a, _, _) t
include Base__.Monad_intf.Infix3 with type ('a, 'd, 'e) t := ('a, 'd, 'e) t
type ('a, 'd, 'e) t
val (>>=) : ('a, 'd, 'e) t -> ('a -> ('b, 'd, 'e) t) -> ('b, 'd, 'e) tval (>>|) : ('a, 'd, 'e) t -> ('a -> 'b) -> ('b, 'd, 'e) t