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Templates are a feature of the C++ programming language that allows functions and classes to operate with generic types. This allows a function or class to work on many different data types without being rewritten for each one.
The keywords typename and template are now not required anymore if the qualifier is a member of the current instantiation.
class: A class keyword is used to specify a generic type in a template declaration.
Templates in c++ is defined as a blueprint or formula for creating a generic class or a function. To simply put, you can create a single function or single class to work with different data types using templates. C++ template is also known as generic functions or classes which is a very powerful feature in C++.
I have got this code and I am trying to understand the convention followed, all the method defined in the .cpp file have template<class KeyType, class DataType> written before them. What does that mean?
Example:
//Constructor
template<class key, class type>
MyOperation<key, type>::MyOperation()
{
//method implementation
}
//A method
template<class key, class type>
MyOperation<key, type>::otherOperation()
{
//method implementation
}
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