Q_MLast.Qastval loc : Ploc.tval expr_node : string -> string -> MLast.exprval patt_node : string -> string -> MLast.pattval patt_label : string -> string -> MLast.pattval to_expr : string -> t -> MLast.exprval to_expr_label : string -> (string * t) -> MLast.patt * MLast.exprval to_patt : string -> t -> MLast.pattval to_patt_label : string -> (string * t) -> MLast.patt * MLast.patt