Module Let_syntax.Let_syntax
val map : 'a t -> f:('a -> 'b) -> 'b t
val bind : 'a t -> f:('a -> 'b t) -> 'b t
val both : 'a t -> 'b t -> ('a * 'b) t
val map2 : 'a t -> 'b t -> f:('a -> 'b -> 'c) -> 'c t
val map3 : 'a t -> 'b t -> 'c t -> f:('a -> 'b -> 'c -> 'd) -> 'd t
val map4 :
'a t ->
'b t ->
'c t ->
'd t ->
f:('a -> 'b -> 'c -> 'd -> 'e) ->
'e t