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1// -*- 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-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef _LIBCPP___CHARCONV_TO_CHARS_RESULT_H11#define _LIBCPP___CHARCONV_TO_CHARS_RESULT_H12 13#include <__config>14#include <__system_error/errc.h>15 16#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)17# pragma GCC system_header18#endif19 20_LIBCPP_BEGIN_NAMESPACE_STD21 22#if _LIBCPP_STD_VER >= 1723 24struct to_chars_result {25 char* ptr;26 errc ec;27# if _LIBCPP_STD_VER >= 2028 _LIBCPP_HIDE_FROM_ABI friend bool operator==(const to_chars_result&, const to_chars_result&) = default;29# endif30# if _LIBCPP_STD_VER >= 2631 _LIBCPP_HIDE_FROM_ABI constexpr explicit operator bool() const noexcept { return ec == errc{}; }32# endif33};34 35#endif // _LIBCPP_STD_VER >= 1736 37struct __to_chars_result {38 char* __ptr;39 errc __ec;40 41#if _LIBCPP_STD_VER >= 1742 _LIBCPP_HIDE_FROM_ABI constexpr operator to_chars_result() { return {__ptr, __ec}; }43#endif44};45 46_LIBCPP_END_NAMESPACE_STD47 48#endif // _LIBCPP___CHARCONV_TO_CHARS_RESULT_H49