xref: /freebsd/contrib/llvm-project/libcxx/src/optional.cpp (revision 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583)
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 <optional>
105f757f3fSDimitry Andric #include <stdexcept>
110b57cec5SDimitry Andric 
12*cb14a3feSDimitry Andric namespace std {
130b57cec5SDimitry Andric 
14fe6060f1SDimitry Andric bad_optional_access::~bad_optional_access() noexcept = default;
150b57cec5SDimitry Andric 
what() const16*cb14a3feSDimitry Andric const char* bad_optional_access::what() const noexcept { return "bad_optional_access"; }
170b57cec5SDimitry Andric 
18*cb14a3feSDimitry Andric } // namespace std
190b57cec5SDimitry Andric 
200b57cec5SDimitry Andric #include <experimental/__config>
210b57cec5SDimitry Andric 
220b57cec5SDimitry Andric //  Preserve std::experimental::bad_optional_access for ABI compatibility
230b57cec5SDimitry Andric //  Even though it no longer exists in a header file
240b57cec5SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL
250b57cec5SDimitry Andric 
26*cb14a3feSDimitry Andric class _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS bad_optional_access : public std::logic_error {
270b57cec5SDimitry Andric public:
bad_optional_access()280b57cec5SDimitry Andric   bad_optional_access() : std::logic_error("Bad optional Access") {}
290b57cec5SDimitry Andric 
300b57cec5SDimitry Andric   // Get the key function ~bad_optional_access() into the dylib
31fe6060f1SDimitry Andric   virtual ~bad_optional_access() noexcept;
320b57cec5SDimitry Andric };
330b57cec5SDimitry Andric 
34fe6060f1SDimitry Andric bad_optional_access::~bad_optional_access() noexcept = default;
350b57cec5SDimitry Andric 
360b57cec5SDimitry Andric _LIBCPP_END_NAMESPACE_EXPERIMENTAL
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