Method clear_output_stream

cpp/fory/util/buffer.h:132–138

  }

  FORY_ALWAYS_INLINE void clear_output_stream() {
    if (output_stream_ == nullptr) {
      return;
    }
    output_stream_->unbind_buffer(this);
    output_stream_ = nullptr;
  }

  // Best-effort stream buffer compaction entry point.
  // Stage 1 guard: avoid calling into stream shrinking for very small progress.