libcxx/include/__functional/binary_function.h

   1 // -*- C++ -*-
   2 //===----------------------------------------------------------------------===//
   3 //
   4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5 // See https://llvm.org/LICENSE.txt for license information.
   6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_H
  11 #define _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_H
  12
  13 #include <__config>
  14
  15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  16 #pragma GCC system_header
  17 #endif
  18
  19 _LIBCPP_BEGIN_NAMESPACE_STD
  20
  21 template <class _Arg1, class _Arg2, class _Result>
  22 struct _LIBCPP_TEMPLATE_VIS binary_function
  23 {
  24     typedef _Arg1   first_argument_type;
  25     typedef _Arg2   second_argument_type;
  26     typedef _Result result_type;
  27 };
  28
  29 _LIBCPP_END_NAMESPACE_STD
  30
  31 #endif // _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_H