Module Let_syntax.Let_syntax
val return : 'a -> ('a, 'i, 'i) tval bind : ('a, 'i, 'j) t -> f:('a -> ('b, 'j, 'k) t) -> ('b, 'i, 'k) tval map : ('a, 'i, 'j) t -> f:('a -> 'b) -> ('b, 'i, 'j) tval both : ('a, 'i, 'j) t -> ('b, 'j, 'k) t -> ('a * 'b, 'i, 'k) t
module Open_on_rhs : sig ... end