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___UTILITY_PRIORITY_TAG_H
10 #define _LIBCPP___UTILITY_PRIORITY_TAG_H
11 
12 #include <__config>
13 #include <cstddef>
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<size_t _Ip> struct __priority_tag : __priority_tag<_Ip - 1> {};
22 template<> struct __priority_tag<0> {};
23 
24 _LIBCPP_END_NAMESPACE_STD
25 
26 #endif // _LIBCPP___UTILITY_PRIORITY_TAG_H
27