{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":".all(|(expected_ty,"}]}
            .all(|(expected_ty, actual_ty)| *expected_ty == actual_ty);
        let all_args_match = iter::zip(&param_tys, args.iter().map(|&v| self.cx.val_ty(v)))