libcxx/src/optional.cpp

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