C++ Program of Square Function using template specialization

By | 06.01.2017

Square Function using template specialization


Write a C++ Program of Square Function using template specialization. Here’s a Simple C++ Program of Square Function using template specialization in C++ Programming Language.


What are Templates in C++ ?


Templates are the foundation of generic programming, which involves writing code in a way that is independent of any particular type.

A template is a blueprint or formula for creating a generic class or a function. The library containers like iterators and algorithms are examples of generic programming and have been developed using template concept.

There is a single definition of each container, such as vector, but we can define many different kinds of vectors for example, vector <int> or vector <string>..


Function Template :

The general form of a template function definition is shown here:

template <class type> ret-type func-name(parameter list)

{
// body of function
}


Class Template :

Just as we can define function templates, we can also define class templates. The general form of a generic class declaration is shown here:

template <class type> class class-name

{
.
.
.
}


Below is the source code for C++ Program of Square Function using template specialization which is successfully compiled and run on Windows System to produce desired output as shown below :


SOURCE CODE : :


/*  C++ Program of Square Function using template specialization  */

#include <iostream>
using namespace std;

template <class T>
inline T square(T x)
{
   T result;
   result = x * x;
   return result;
};

// template specialization
template <>
string square<string>(string ss)
{
   return (ss+ss);
};

int main()
{
   int i = 2, ii;
   string ww("Aaa");

   ii = square<int>(i);
   cout << i << ": " << ii << endl;

    cout << square<string>(ww) << endl;
    return 0;
}

OUTPUT : :


/*  C++ Program of Square Function using template specialization  */

2: 4
AaaAaa

Process returned 0

Above is the source code and output for C++ Program of Square Function using template specialization which is successfully compiled and run on Windows System to produce desired output.

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About Tunde A

My name is Tunde Ajetomobi, a Tech Enthusiast and Growth Hacker. I enjoy creating helpful content that solves problem across different topics. Codezclub is my way of helping young aspiring programmers and students to hone their skills and find solutions on fundamental programming languages.

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