65.算法容器函数

 1 #include <iostream>
 2 #include <functional>
 3 #include <vector>
 4 #include <algorithm>
 5 #include <numeric>
 6 using namespace std;
 7 using namespace std::placeholders;
 8 
 9 class myclass
10 {
11 public:
12     int get(int data)
13     {
14         return data % 2;
15     }
16 };
17 
18 void main()
19 {
20     //创建容器
21     vector<int> myint{ 1,2,3,4,5,6,7,8,9,10 };
22     //逐个数据进行判断是否满足lambda表达式
23     int num = count_if(myint.begin(), myint.end(), [](int data)->bool {return data % 2 == 0; });
24     cout << num << endl;
25     myclass my1;
26     auto fun = bind(&myclass::get, &my1, _1);
27     num = count_if(myint.begin(), myint.end(), [](int data)->bool {return data % 2 == 0; });
28     cout << num << endl;
29     cin.get();
30 }