xref: /freebsd/contrib/llvm-project/libcxx/src/optional.cpp (revision 5f757f3ff9144b609b3c433dfd370cc6bdc191ad)
1349cc55cSDimitry Andric //===----------------------------------------------------------------------===//
20b57cec5SDimitry Andric //
30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
60b57cec5SDimitry Andric //
70b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
80b57cec5SDimitry Andric 
981ad6265SDimitry Andric #include <__availability>
1081ad6265SDimitry Andric #include <optional>
11*5f757f3fSDimitry Andric #include <stdexcept>
120b57cec5SDimitry Andric 
130b57cec5SDimitry Andric namespace std
140b57cec5SDimitry Andric {
150b57cec5SDimitry Andric 
16fe6060f1SDimitry Andric bad_optional_access::~bad_optional_access() noexcept = default;
170b57cec5SDimitry Andric 
18fe6060f1SDimitry Andric const char* bad_optional_access::what() const noexcept {
190b57cec5SDimitry Andric   return "bad_optional_access";
200b57cec5SDimitry Andric }
210b57cec5SDimitry Andric 
220b57cec5SDimitry Andric } // std
230b57cec5SDimitry Andric 
240b57cec5SDimitry Andric 
250b57cec5SDimitry Andric #include <experimental/__config>
260b57cec5SDimitry Andric 
270b57cec5SDimitry Andric //  Preserve std::experimental::bad_optional_access for ABI compatibility
280b57cec5SDimitry Andric //  Even though it no longer exists in a header file
290b57cec5SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL
300b57cec5SDimitry Andric 
3106c3fb27SDimitry Andric class _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS bad_optional_access
320b57cec5SDimitry Andric   : public std::logic_error
330b57cec5SDimitry Andric {
340b57cec5SDimitry Andric public:
350b57cec5SDimitry Andric   bad_optional_access() : std::logic_error("Bad optional Access") {}
360b57cec5SDimitry Andric 
370b57cec5SDimitry Andric   // Get the key function ~bad_optional_access() into the dylib
38fe6060f1SDimitry Andric   virtual ~bad_optional_access() noexcept;
390b57cec5SDimitry Andric };
400b57cec5SDimitry Andric 
41fe6060f1SDimitry Andric bad_optional_access::~bad_optional_access() noexcept = default;
420b57cec5SDimitry Andric 
430b57cec5SDimitry Andric _LIBCPP_END_NAMESPACE_EXPERIMENTAL
44