IGNOU BCS 31 2016 - Distinguish between class templates and function templates, through an

Question

Distinguish between class templates and function templates, through an example.

31 Jul 2018

Answer :

Word Count : 486

Sure thing! In C++, templates are a powerful feature that allow for writing generic code that can work with any data type. There are two main types of templates: class templates and function templates, each serving different purposes.

Class Templates:

Class templates are used to create a blueprint for a family of classes. They enable the creation of classes that can work with any data type. For instance, let's consider a simple example of a `Pair` class template that can store a pair of values of any data type.

```cpp
template <class T>
class Pair {
private:
T first;
T second;
public:
Pair(T f, T s) : first(f), second(s) {}
T getFirst() const { return first; }
T getSecond() const { return second; }
};
```

Here, `template <class T>` declares a class template where

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