Method get_value

tests/unittests/unittests.cpp:66–66

	UniquePtrWrapper() = default;
	UniquePtrWrapper(std::unique_ptr<int> p) : m_p(std::move(p)) {}
	int get_value() const { return *m_p; }
	std::unique_ptr<int>& get_ptr() { return m_p; }
private:
	std::unique_ptr<int> m_p;