Method swap

tensorflow/core/lib/gtl/flatmap.h:108–108

  ~FlatMap() {}

  void swap(FlatMap& x) { rep_.swap(x.rep_); }
  void clear_no_resize() { rep_.clear_no_resize(); }
  void clear() { rep_.clear(); }
  void reserve(size_t N) { rep_.Resize(std::max(N, size())); }