Method toString

test/test_persistence/test_persistence.cpp:48–48

    TestObject(const char* str, std::vector<std::string>& vec) : _str(str), _vec(vec) {}
	inline bool operator < (const TestObject& test) const { return _str < test._str; }
	inline const std::string toString() const { return std::string("TestObject(") + _str + "," + std::to_string(_vec.size()) + ")"; }
    std::string _str;
    std::vector<std::string> _vec;
};