Class MutableEntry

src/log/Entry.h:61–84

This should never be moved to the heap! Only allocate this on the stack. See * CachedStackStringStream for rationale. */

 * CachedStackStringStream for rationale.
 */
class MutableEntry : public Entry {
public:
  MutableEntry() = delete;
  MutableEntry(short pr, short sub) : Entry(pr, sub) {}
  MutableEntry(const MutableEntry&) = delete;
  MutableEntry& operator=(const MutableEntry&) = delete;
  MutableEntry(MutableEntry&&) = delete;
  MutableEntry& operator=(MutableEntry&&) = delete;
  ~MutableEntry() override = default;

  std::ostream& get_ostream() {
    return *cos;
  }

  std::string_view strv() const override {
    return cos->strv();
  }
  std::size_t size() const override {
    return cos->strv().size();
  }

private:
  CachedStackStringStream cos;
};

class ConcreteEntry : public Entry {
public: