void clear()

in fatal/container/circular_queue.h [457:476]


  void clear() noexcept {
    for (auto chunk: chunks()) {
      for(auto i = chunk.first; i < chunk.second; ++i) {
        static_assert(
          std::is_nothrow_destructible<value_type>::value,
          "value_type must provide a noexcept destructor"
        );
        queue_[i].value.~value_type();
      }
    }

    offset_ = 0;
    size_ = 0;

    static_assert(
      noexcept(queue_.clear()),
      "underlying container must provide a noexcept clear()"
    );
    queue_.clear();
  }