15a83710eSEric Fiselier //===----------------------------------------------------------------------===//
25a83710eSEric Fiselier //
3*57b08b09SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*57b08b09SChandler Carruth // See https://llvm.org/LICENSE.txt for license information.
5*57b08b09SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
65a83710eSEric Fiselier //
75a83710eSEric Fiselier //===----------------------------------------------------------------------===//
85a83710eSEric Fiselier 
95a83710eSEric Fiselier // <functional>
10bc933768SStephan T. Lavavej // REQUIRES: c++98 || c++03 || c++11 || c++14
11bc933768SStephan T. Lavavej // binary_function was removed in C++17
125a83710eSEric Fiselier 
135a83710eSEric Fiselier // binary_function
145a83710eSEric Fiselier 
155a83710eSEric Fiselier #include <functional>
165a83710eSEric Fiselier #include <type_traits>
175a83710eSEric Fiselier 
185a83710eSEric Fiselier int main()
195a83710eSEric Fiselier {
205a83710eSEric Fiselier     typedef std::binary_function<int, short, bool> bf;
215a83710eSEric Fiselier     static_assert((std::is_same<bf::first_argument_type, int>::value), "");
225a83710eSEric Fiselier     static_assert((std::is_same<bf::second_argument_type, short>::value), "");
235a83710eSEric Fiselier     static_assert((std::is_same<bf::result_type, bool>::value), "");
245a83710eSEric Fiselier }
25