Parameter Make_let_syntax3.1-X
val return : 'a -> ('a, _, _) t
val map : ('a, 'd, 'e) t -> f:('a -> 'b) -> ('b, 'd, 'e) t
val both : ('a, 'd, 'e) t -> ('b, 'd, 'e) t -> ('a * 'b, 'd, 'e) t
val (<*>) : ('a -> 'b, 'd, 'e) t -> ('a, 'd, 'e) t -> ('b, 'd, 'e) t
val (<*) : ('a, 'd, 'e) t -> (unit, 'd, 'e) t -> ('a, 'd, 'e) t
val (*>) : (unit, 'd, 'e) t -> ('a, 'd, 'e) t -> ('a, 'd, 'e) t
val (>>|) : ('a, 'd, 'e) t -> ('a -> 'b) -> ('b, 'd, 'e) t