C++练习一自动匹配模版参数

混蛋 — Thu, 08 Mar 2012 16:02:00 GMT

1#include <iostream>
2#include <cstdio>
3using namespace std;
4namespace boost
5{
6    template <bool v>
7    class s_bool
8    {
9    public:
10        explicit s_bool(bool isset)
11        {
12            cout <<isset<<endl;
13        }
14
16    };
17    typedef s_bool<true> b_true;
18    typedef s_bool<false> b_false;
19    template <typename T1,bool T2>
20    class NiftyContainer
21    {
22    private:
23        void DoSomeTing(T1 *pObj,b_true b)
24        {
25            T1 *plObj=new T1(*pObj);
26            cout <<plObj<<" true "<<&b<<endl;
27        }
28        void DoSomeTing(T1 *pObj,b_false b)
29        {
30            T1 *plObj=new T1(*pObj);
31            cout <<plObj<<" false "<<&b<<endl;
32        }
33    public:
34        void DoSomeTing(T1 *pObj)
35        {
36            DoSomeTing(pObj,s_bool<T2>(T2));
37        }
38    };
39    class Test
40    {
41    public:
42        Test()
43        {
44            cout <<"Test::Test"<<endl;
45        };
46    };
47};
48using namespace boost;
49int main()
50{
51    NiftyContainer<Test,false> pNifty;
52    Test *T=new Test;
53    pNifty.DoSomeTing(T);
54    getchar();
55    return 0;
56}
57

混蛋 2012-03-09 00:02 发表评论

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C++练习一自动匹配模版参数