Mega Code Archive
Using function template specialization
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#include <iostream>
using std::cout;
using std::endl;
template<class T> T larger(T a, T b); // Function template prototyp
e
template<> long* larger<long*>(long* a, long* b); // Specialization
int main() {
cout << "Larger of 1.5 and 2.5 is " << larger(1.5, 2.5) << endl;
cout << "Larger of 3.5 and 4.5 is " << larger(3.5, 4.5) << endl;
int a_int = 35;
int b_int = 45;
cout << larger(a_int, b_int)<< endl;
long a_long = 9;
long b_long = 8;
cout << larger(a_long, b_long)<< endl;
cout << *larger(&a_long,&b_long)<< endl;
return 0;
}
template <class T> T larger(T a, T b) {
cout << "standard version " << endl;
return a>b ? a : b;
}
template <> long* larger<long*>(long* a, long* b) {
cout << "specialized version " << endl;
return *a>*b ? a : b;
}
standard version
Larger of 1.5 and 2.5 is 2.5
standard version
Larger of 3.5 and 4.5 is 4.5
standard version
45
standard version
9
specialized version
9
]]>