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92ac360063
Implements - P2497R0 Testing for success or failure of <charconv> functions Depends on D153192 Reviewed By: #libc, ldionne Differential Revision: https://reviews.llvm.org/D153199
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
// -*- 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___CHARCONV_TO_CHARS_RESULT_H
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#define _LIBCPP___CHARCONV_TO_CHARS_RESULT_H
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#include <__config>
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#include <__system_error/errc.h>
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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_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER >= 17
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struct _LIBCPP_EXPORTED_FROM_ABI to_chars_result {
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char* ptr;
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errc ec;
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# if _LIBCPP_STD_VER >= 20
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_LIBCPP_HIDE_FROM_ABI friend bool operator==(const to_chars_result&, const to_chars_result&) = default;
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# endif
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# if _LIBCPP_STD_VER >= 26
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_LIBCPP_HIDE_FROM_ABI constexpr explicit operator bool() const noexcept { return ec == errc{}; }
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# endif
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};
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#endif // _LIBCPP_STD_VER >= 17
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___CHARCONV_TO_CHARS_RESULT_H
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