Expression.MetaPropertytype 'M t = {meta : ('M, 'M) Identifier.t;property : ('M, 'M) Identifier.t;comments : ('M, unit) Syntax.t option;}val pp : (Format.formatter -> 'M -> unit) -> Format.formatter -> 'M t -> unitval show : (Format.formatter -> 'M -> unit) -> 'M t -> string