1*681cde7dSNikolas Klauser //===----------------------------------------------------------------------===// 2*681cde7dSNikolas Klauser // 3*681cde7dSNikolas Klauser // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*681cde7dSNikolas Klauser // See https://llvm.org/LICENSE.txt for license information. 5*681cde7dSNikolas Klauser // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*681cde7dSNikolas Klauser // 7*681cde7dSNikolas Klauser //===----------------------------------------------------------------------===// 8*681cde7dSNikolas Klauser 9*681cde7dSNikolas Klauser // <functional> 10*681cde7dSNikolas Klauser // REQUIRES: c++11 || c++14 11*681cde7dSNikolas Klauser // unary_function was removed in C++17 12*681cde7dSNikolas Klauser 13*681cde7dSNikolas Klauser // check that unary_function is marked deprecated 14*681cde7dSNikolas Klauser 15*681cde7dSNikolas Klauser #include <functional> 16*681cde7dSNikolas Klauser 17*681cde7dSNikolas Klauser std::unary_function<int, int> u; // expected-warning {{'unary_function<int, int>' is deprecated}} 18