mirror of
https://codeberg.org/ziglang/zig.git
synced 2026-04-28 03:17:08 +03:00
Alex Rønne Petersen
46 lines
1.2 KiB
C++
Vendored
46 lines
1.2 KiB
C++
Vendored
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___TUPLE_TUPLE_TRANSFORM_H
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#define _LIBCPP___TUPLE_TUPLE_TRANSFORM_H
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#include <__config>
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#include <__functional/invoke.h>
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#include <__utility/forward.h>
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#include <tuple>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_PUSH_MACROS
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#include <__undef_macros>
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER >= 23
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template <class _Fun, class _Tuple>
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_LIBCPP_HIDE_FROM_ABI constexpr auto __tuple_transform(_Fun&& __f, _Tuple&& __tuple) {
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return std::apply(
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[&]<class... _Types>(_Types&&... __elements) {
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return tuple<invoke_result_t<_Fun&, _Types>...>(std::invoke(__f, std::forward<_Types>(__elements))...);
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},
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std::forward<_Tuple>(__tuple));
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}
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#endif // _LIBCPP_STD_VER >= 23
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_LIBCPP_END_NAMESPACE_STD
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_LIBCPP_POP_MACROS
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#endif // _LIBCPP___TUPLE_TUPLE_TRANSFORM_H
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