Class TensorId

tensorflow/core/graph/tensor_id.h:33–58

Identifier for a tensor within a step. first == operation_name, second == output_index Note: does not own backing storage for name.

// first == operation_name, second == output_index
// Note: does not own backing storage for name.
struct TensorId : public std::pair<StringPiece, int> {
  typedef std::pair<StringPiece, int> Base;

  // Inherit the set of constructors.
  using Base::pair;

  // NOTE(skyewm): this is required on some platforms. I'm not sure why the
  // using statement above isn't always sufficient.
  TensorId() : Base() {}
  TensorId(const SafeTensorId& id);

  const StringPiece node() const { return first; }
  int index() const { return second; }

  string ToString() const {
    if (second == Graph::kControlSlot) return strings::StrCat("^", first);
    return strings::StrCat(first, ":", second);
  }

  struct Hasher {
   public:
    std::size_t operator()(const TensorId& x) const {
      return Hash32(x.first.data(), x.first.size(), x.second);
    }
  };
};

TensorId ParseTensorName(const string& name);
TensorId ParseTensorName(StringPiece name);