Template specialization and template bias samples (templates specialization and partial templates specialization)

Test environment:

Win7 64

g++ 4.8.1

/*********************************************************************************  copyright (C), 1988-1999, Drvivermonkey. Co., ltd.  file name:   author:driver monkey  version:   Mail:[email  Protected]  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;  & nbsp 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 () &nbs P       {            cout<< "2---compiletimechecker =" <<typeid (t). Name () <<endl;       }};template<> class Compiletimechecker<a, sub_a>{      public:     a a;     sub_a sub_a;    Compiletimechecker ()   &NB Sp {        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;} 

Output Result:

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Template specialization and template bias samples (templates specialization and partial templates specialization)