Generic sum method
#include <iostream>
using namespace std;
template <class X> X sum(X *data, int size)
{
int i;
X result = 0;
for(i = 0; i <size; i++) result += data[ i ];
return result;
}
int main()
{
int i[] = {1, 2, 3, 4};
double d[] = {1.1, 2.2, 3.3, 4.4};
cout << sum(i, 4) << endl;
cout << sum(d, 4) << endl;
return 0;
}
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