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-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP___CHARCONV_FROM_CHARS_RESULT_H
11#define _LIBCPP___CHARCONV_FROM_CHARS_RESULT_H
12
13#include <__config>
14#include <__system_error/errc.h>
15
16#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17# pragma GCC system_header
18#endif
19
20_LIBCPP_BEGIN_NAMESPACE_STD
21
22#if _LIBCPP_STD_VER >= 17
23
24struct _LIBCPP_EXPORTED_FROM_ABI from_chars_result {
25 const char* ptr;
26 errc ec;
27# if _LIBCPP_STD_VER >= 20
28 _LIBCPP_HIDE_FROM_ABI friend bool operator==(const from_chars_result&, const from_chars_result&) = default;
29# endif
30# if _LIBCPP_STD_VER >= 26
31 _LIBCPP_HIDE_FROM_ABI constexpr explicit operator bool() const noexcept { return ec == errc{}; }
32# endif
33};
34
35#endif // _LIBCPP_STD_VER >= 17
36
37_LIBCPP_END_NAMESPACE_STD
38
39#endif // _LIBCPP___CHARCONV_FROM_CHARS_RESULT_H
40