Method ToString

tensorflow/compiler/tf2xla/functionalize_cond.cc:201–204

      : src(src), src_output(src_output) {}

  string ToString() const {
    return absl::StrCat("src=", src->name(), ":", src_output,
                        " switches=", NodesToString(switches));
  }

  Node* src;
  int src_output;