1 //===----------------------------------------------------------------------===//
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 <__availability>
10 #include <optional>
11 
12 namespace std
13 {
14 
15 bad_optional_access::~bad_optional_access() noexcept = default;
16 
17 const char* bad_optional_access::what() const noexcept {
18   return "bad_optional_access";
19 }
20 
21 } // std
22 
23 
24 #include <experimental/__config>
25 
26 //  Preserve std::experimental::bad_optional_access for ABI compatibility
27 //  Even though it no longer exists in a header file
28 _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL
29 
30 class _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS bad_optional_access
31   : public std::logic_error
32 {
33 public:
34   bad_optional_access() : std::logic_error("Bad optional Access") {}
35 
36   // Get the key function ~bad_optional_access() into the dylib
37   virtual ~bad_optional_access() noexcept;
38 };
39 
40 bad_optional_access::~bad_optional_access() noexcept = default;
41 
42 _LIBCPP_END_NAMESPACE_EXPERIMENTAL
43