Let_syntax (monads.Monads.Std.Monad.Writer.Make.Let_syntax.Let

val return : 'a -> 'a T1(T)(M).t

val bind : 'a T1(T)(M).t -> f:('a -> 'b T1(T)(M).t) -> 'b T1(T)(M).t

val map : 'a T1(T)(M).t -> f:('a -> 'b) -> 'b T1(T)(M).t

val both : 'a T1(T)(M).t -> 'b T1(T)(M).t -> ('a * 'b) T1(T)(M).t

module Open_on_rhs : sig ... end