Class Appender

tensorflow/core/lib/gtl/cleanup_test.cc:74–79

}

struct Appender {
  Appender(string* s, const string& msg) : s_(s), msg_(msg) {}
  void operator()() const { s_->append(msg_); }
  string* s_;
  string msg_;
};

TEST(CleanupTest, NonLambda) {
  string s = "active";