text: // Copyright 2017 The Abseil Authors.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //      http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  #include "absl/types/bad_optional_access.h"
  
  #ifndef ABSL_HAVE_STD_OPTIONAL
  
  #include <cstdlib>
  
  #include "absl/base/config.h"
  #include "absl/base/internal/raw_logging.h"
  
  namespace absl {
  inline namespace lts_2018_12_18 {
  
  bad_optional_access::~bad_optional_access() = default;
  
  const char* bad_optional_access::what() const noexcept {
    return "optional has no value";
  }
  
  namespace optional_internal {
  
  void throw_bad_optional_access() {
  #ifdef ABSL_HAVE_EXCEPTIONS
    throw bad_optional_access();
  #else
    ABSL_RAW_LOG(FATAL, "Bad optional access");
    abort();
  #endif
  }
  
  }  // namespace optional_internal
  }  // inline namespace lts_2018_12_18
  }  // namespace absl
  
  #endif  // ABSL_HAVE_STD_OPTIONAL
  