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[FreeBSD/FreeBSD.git] / contrib / libc++ / src / optional.cpp
1 //===------------------------ optional.cpp --------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "optional"
10
11 namespace std
12 {
13
14 bad_optional_access::~bad_optional_access() _NOEXCEPT = default;
15
16 const char* bad_optional_access::what() const _NOEXCEPT {
17   return "bad_optional_access";
18   }
19
20 } // std
21
22
23 #include <experimental/__config>
24
25 //  Preserve std::experimental::bad_optional_access for ABI compatibility
26 //  Even though it no longer exists in a header file
27 _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL
28
29 class _LIBCPP_EXCEPTION_ABI _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS bad_optional_access
30     : public std::logic_error
31 {
32 public:
33         bad_optional_access() : std::logic_error("Bad optional Access") {}
34
35 //      Get the key function ~bad_optional_access() into the dylib
36     virtual ~bad_optional_access() _NOEXCEPT;
37 };
38
39 bad_optional_access::~bad_optional_access() _NOEXCEPT = default;
40
41 _LIBCPP_END_NAMESPACE_EXPERIMENTAL