template_DefaultType

2024-09-06 02:52:40

#include <iostream>

using namespace std;

template <typename T1,typename T2=int>

class Test{

public:

    T1 NumNBei(T1 num,T2 N)

    {

        return num*N;

    }

};

void main()

{

  Test<double> t;

  double x=    t.NumNBei(2.3,);

  cout<<x<<endl;

/*

4.6

Press any key to continue

*/

}

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