C++ COM ActiveX Question:

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Templates is one of the features of C++. Using templates, C++ provides a support for generic programming.

We can define a template for a function that can help us create multiple versions for different data types.

A function template is similar to a class template and it syntax is as follows:
template <class T>
Return-type functionName (arguments of type T)
{
//Body of function with type T wherever appropriate
}