适配器模式案例

#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

//这函数已经写好的
struct MyPrint
{
	void operator () (int v1, int v2)
	{
		cout << v1 + v2 << endl;
	}
};

//定义目标接口 
class Target
{
public:
	virtual void operator () (int v) = 0;
};

//写适配器
class Adapter : public Target
{
public:
	Adapter(int param)
	{
		this->param = param;
	}
	virtual void operator () (int v)
	{
		print(v, param);
	}
	MyPrint print;
	int param;
};

//绑定第二个参数
Adapter MyBind2rd(int v)
{
	return Adapter(v);
}

int main()
{
	vector<int> v;
	for (int i = 0; i < 10; i++)
	{
		v.push_back(i);
	}

	for_each(v.begin(), v.end(), MyBind2rd(10));
	

	return 0;
}