{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"match"}]}
            match (CastTy::from_ty(table, &self.expr_ty), CastTy::from_ty(table, &self.cast_ty)) {
        let (t_from, t_cast) =
                (Some(t_from), Some(t_cast)) => (t_from, t_cast),