设计模式之模板模式

/*
* Example of 'Template' design pattern.
* Copyright (C) 2016 Leo Wang
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <iostream>
#include <iomanip>
using namespace std;

template <class T>
class CAlgorithm
{
public:
T add(T a,T b)
{
return a+b;
};
};

int main()
{
CAlgorithm<int> c_algint;
CAlgorithm<float> c_algfloat;
cout<<"3 add 5 is "<<c_algint.add(3,5)<<endl;
cout<<"3.1 add 5.1 is "<<c_algfloat.add(3.1,5.1)<<endl;
return 1;
};