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___FWD_FUNCTIONAL_H
10#define _LIBCPP___FWD_FUNCTIONAL_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_BEGIN_NAMESPACE_STD
19
20#if _LIBCPP_STD_VER >= 14
21template <class _Tp = void>
22#else
23template <class _Tp>
24#endif
25struct less;
26
27template <class>
28struct hash;
29
30template <class>
31class reference_wrapper;
32
33_LIBCPP_END_NAMESPACE_STD
34
35#endif // _LIBCPP___FWD_FUNCTIONAL_H
36