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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <functional>
// REQUIRES: c++98 || c++03 || c++11 || c++14
// binary_function was removed in C++17
// template <class Arg1, class Arg2, class Result>
// struct binary_function
// {
// typedef Arg1 first_argument_type;
// typedef Arg2 second_argument_type;
// typedef Result result_type;
// };
#include <functional>
#include <type_traits>
int main()
{
static_assert((std::is_same<std::binary_function<int, unsigned, char>::first_argument_type, int>::value), "");
static_assert((std::is_same<std::binary_function<int, unsigned, char>::second_argument_type, unsigned>::value), "");
static_assert((std::is_same<std::binary_function<int, unsigned, char>::result_type, char>::value), "");
}
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