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Template Specialization in C++ Program?
In this tutorial, we will be discussing a program to understand Template specialization in C++.
Standard functions like sort() can be used with any data types and they behave the same with each of them. But if you want to set a special behaviour of the function for a particular data type (even user defined), we can use template specialization.
Example
#include <iostream>
using namespace std;
template <class T>
void fun(T a) {
cout << "The main template fun(): " << a << endl;
}
template<>
void fun(int a) {
cout << "Specialized Template for int type: " << a << endl;
}
int main(){
fun<char>('a');
fun<int>(10);
fun<float>(10.14);
return 0;
}Output
The main template fun(): a Specialized Template for int type: 10 The main template fun(): 10.14
Updated on: 02-Mar-2020
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