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Mark de Wever7f5d1302022-03-20 12:40:021// -*- 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___CHRONO_CONCEPTS_H
11#define _LIBCPP___CHRONO_CONCEPTS_H
12
13#include <__chrono/hh_mm_ss.h>
14#include <__config>
15#include <__type_traits/is_specialization.h>
16
17#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
18# pragma GCC system_header
19#endif
20
21_LIBCPP_BEGIN_NAMESPACE_STD
22
23#if _LIBCPP_STD_VER > 17
24
25template <class _Tp>
26concept __is_hh_mm_ss = __is_specialization_v<_Tp, chrono::hh_mm_ss>;
27
28#endif // _LIBCPP_STD_VER > 17
29
30_LIBCPP_END_NAMESPACE_STD
31
32#endif // _LIBCPP___CHRONO_CONCEPTS_H