Method pop_back

tensorflow/compiler/xla/shape_util.h:79–79

  size_t size() const { return indices_.size(); }
  void push_back(int64 value) { indices_.push_back(value); }
  void pop_back() { indices_.pop_back(); }

  // push_front is O(n), but shapes don't usually have a ton of dimensions.
  void push_front(int64 value) { indices_.insert(indices_.begin(), value); }