C++11:bind和function配合使用

#include <iostream>
#include <functional>
using namespace std::placeholders;

class Test
{
public:
	void func(int x, int y)
	{
		std::cout << x << " " << y << std::endl;
	}
	int a;
};



int main()
{
	Test obj;

	//绑定成员函数
	std::function<void(int, int)> f1 = std::bind(&Test::func, &obj, _1, _2);
	f1(11, 22);

	//绑定成员变量
	std::function<int&()> f2 = std::bind(&Test::a, &obj);
	f2() = 111; //obj.a = 111;
	std::cout << "obj.a = " << obj.a << std::endl;


	system("pause");
	return 0;
}

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转载自blog.csdn.net/qq_41741165/article/details/83687287