Module Let_syntax.Let_syntax
val return : 'a -> ('a, _, _) tval map : ('a, 'd, 'e) t -> f:('a -> 'b) -> ('b, 'd, 'e) tval both : ('a, 'd, 'e) t -> ('b, 'd, 'e) t -> ('a * 'b, 'd, 'e) t
module Open_on_rhs : Open_on_rhs_intf.SLet_syntax.Let_syntaxval return : 'a -> ('a, _, _) tval map : ('a, 'd, 'e) t -> f:('a -> 'b) -> ('b, 'd, 'e) tval both : ('a, 'd, 'e) t -> ('b, 'd, 'e) t -> ('a * 'b, 'd, 'e) tmodule Open_on_rhs : Open_on_rhs_intf.S