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C++ Program to demonstrate an Example of Non-type parameters for templates

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Write a C++ Program to demonstrate an Example of Non-type parameters for templates. Here’s a Simple C++ Program to demonstrate an Example of Non-type parameters for templates in C++ Programming Language.


What are Templates in C++ ?

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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 to demonstrate an Example of Non-type parameters for templates which is successfully compiled and run on Windows System to produce desired output as shown below :


SOURCE CODE : :

/* C++ Program to demonstrate an Example of Non-type parameters for templates  */

#include <iostream>
using namespace std;

template <class T, int N>
class mysequence {
    T memblock [N];
  public:
    void setmember (int x, T value);
    T getmember (int x);
};

template <class T, int N>
void mysequence<T,N>::setmember (int x, T value) {
  memblock[x]=value;
}

template <class T, int N>
T mysequence<T,N>::getmember (int x) {
  return memblock[x];
}

int main () {
  mysequence <int,5> myints;
  mysequence <double,5> myfloats;
  myints.setmember (0,100);
  myfloats.setmember (3,3.1416);
  cout << myints.getmember(0) << '\n';
  cout << myfloats.getmember(3) << '\n';
  return 0;
}

OUTPUT : :


/* C++ Program to demonstrate an Example of Non-type parameters for templates */

100
3.1416
 
Exit code: 0 (normal program termination)

Above is the source code and output for C++ Program to demonstrate an Example of Non-type parameters for templates which is successfully compiled and run on Windows System to produce desired output.

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