Method ~WriteBuffer

include/sonic/writebuffer.h:31–31

  WriteBuffer(const WriteBuffer&) = delete;
  WriteBuffer(WriteBuffer&& rhs) : stack_(std::move(rhs.stack_)) {}
  ~WriteBuffer() = default;
  WriteBuffer& operator=(const WriteBuffer&) = delete;
  WriteBuffer& operator=(WriteBuffer&& rhs) {
    stack_ = std::move(rhs.stack_);