1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef _LIBCPP___FUNCTIONAL_UNARY_FUNCTION_H 10 #define _LIBCPP___FUNCTIONAL_UNARY_FUNCTION_H 11 12 #include <__config> 13 14 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 15 #pragma GCC system_header 16 #endif 17 18 _LIBCPP_PUSH_MACROS 19 #include <__undef_macros> 20 21 _LIBCPP_BEGIN_NAMESPACE_STD 22 23 template <class _Arg, class _Result> 24 struct _LIBCPP_TEMPLATE_VIS unary_function 25 { 26 typedef _Arg argument_type; 27 typedef _Result result_type; 28 }; 29 30 _LIBCPP_END_NAMESPACE_STD 31 32 _LIBCPP_POP_MACROS 33 34 #endif // _LIBCPP___FUNCTIONAL_UNARY_FUNCTION_H 35