xref: /openbsd-src/gnu/llvm/libcxx/include/__chrono/literals.h (revision 4bdff4bed0e3d54e55670334c7d0077db4170f86)
1*4bdff4beSrobert // -*- C++ -*-
2*4bdff4beSrobert //===----------------------------------------------------------------------===//
3*4bdff4beSrobert //
4*4bdff4beSrobert // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5*4bdff4beSrobert // See https://llvm.org/LICENSE.txt for license information.
6*4bdff4beSrobert // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7*4bdff4beSrobert //
8*4bdff4beSrobert //===----------------------------------------------------------------------===//
9*4bdff4beSrobert 
10*4bdff4beSrobert #ifndef _LIBCPP___CHRONO_LITERALS_H
11*4bdff4beSrobert #define _LIBCPP___CHRONO_LITERALS_H
12*4bdff4beSrobert 
13*4bdff4beSrobert #include <__chrono/day.h>
14*4bdff4beSrobert #include <__chrono/year.h>
15*4bdff4beSrobert #include <__config>
16*4bdff4beSrobert 
17*4bdff4beSrobert #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
18*4bdff4beSrobert #  pragma GCC system_header
19*4bdff4beSrobert #endif
20*4bdff4beSrobert 
21*4bdff4beSrobert #if _LIBCPP_STD_VER > 17
22*4bdff4beSrobert 
23*4bdff4beSrobert _LIBCPP_BEGIN_NAMESPACE_STD
24*4bdff4beSrobert 
25*4bdff4beSrobert inline namespace literals
26*4bdff4beSrobert {
27*4bdff4beSrobert   inline namespace chrono_literals
28*4bdff4beSrobert   {
29*4bdff4beSrobert     _LIBCPP_HIDE_FROM_ABI constexpr chrono::day operator ""d(unsigned long long __d) noexcept
30*4bdff4beSrobert     {
31*4bdff4beSrobert         return chrono::day(static_cast<unsigned>(__d));
32*4bdff4beSrobert     }
33*4bdff4beSrobert 
34*4bdff4beSrobert     _LIBCPP_HIDE_FROM_ABI constexpr chrono::year operator ""y(unsigned long long __y) noexcept
35*4bdff4beSrobert     {
36*4bdff4beSrobert         return chrono::year(static_cast<int>(__y));
37*4bdff4beSrobert     }
38*4bdff4beSrobert } // namespace chrono_literals
39*4bdff4beSrobert } // namespace literals
40*4bdff4beSrobert 
41*4bdff4beSrobert namespace chrono { // hoist the literals into namespace std::chrono
42*4bdff4beSrobert    using namespace literals::chrono_literals;
43*4bdff4beSrobert } // namespace chrono
44*4bdff4beSrobert 
45*4bdff4beSrobert _LIBCPP_END_NAMESPACE_STD
46*4bdff4beSrobert 
47*4bdff4beSrobert #endif // _LIBCPP_STD_VER > 17
48*4bdff4beSrobert 
49*4bdff4beSrobert #endif // _LIBCPP___CHRONO_LITERALS_H
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