Expression.Yieldtype ('M, 'T) t = {argument : ('M, 'T) Expression.t option;comments : ('M, unit) Syntax.t option;delegate : bool;result_out : 'T;}val pp :
(Format.formatter -> 'M -> unit) ->
(Format.formatter -> 'T -> unit) ->
Format.formatter ->
('M, 'T) t ->
unitval show :
(Format.formatter -> 'M -> unit) ->
(Format.formatter -> 'T -> unit) ->
('M, 'T) t ->
string