测试环境：
win7 64
g++ 4.8.1
/*********************************************************************************
Copyright (C), 1988-1999, drvivermonkey. Co., Ltd.
File name:
Author: Driver Monkey
Version:
Mail:bookworepeng@hotmail.com
Date: 2014.04.02
Description:
*********************************************************************************/
#include<stdlib.h>
#include <iostream>
#include <typeinfo>
#include <typeindex>
#include <map> using namespace std; class A
{
public:
A(){cout<<"A created!"<<endl;}
};
struct SUB_A:public A
{
public:
SUB_A(){cout<<"SUB_A created!"<<endl;}
}; template<class T1, class T2> class CompileTimeChecker
{
public:
T1 t1;
T1 t2;
CompileTimeChecker()
{
cout<<"1---CompileTimeChecker = "<<typeid(t1).name()<<endl;
cout<<"1---CompileTimeChecker = "<<typeid(t2).name()<<endl;
}
}; template <class T> class CompileTimeChecker<T,float>
{
public:
T t;
CompileTimeChecker()
{
cout<<"2---CompileTimeChecker = "<<typeid(t).name()<<endl;
}
}; template<> class CompileTimeChecker<A, SUB_A>
{
public:
A a;
SUB_A sub_a;
CompileTimeChecker()
{
cout<<"3---CompileTimeChecker = "<<typeid(a).name()<<endl;
}
}; int main(void)
{
CompileTimeChecker<int, float> int_instance;
CompileTimeChecker<int, int> a_instance;
CompileTimeChecker<A,SUB_A> sub_instance;
}
输出结果：
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