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C++ Programming Tutorials - function Templates with Multiple Parameters Video Lecture | Learn to Program with C++: Beginner to Expert - Back-End Programming

FAQs on C++ Programming Tutorials - function Templates with Multiple Parameters Video Lecture - Learn to Program with C++: Beginner to Expert - Back-End Programming

1. What are function templates in C programming?
Ans. Function templates in C programming allow us to define a generic function that can work with different data types. It is a way to write a single function that can be used with multiple data types without repeating the code.
2. How do you declare a function template with multiple parameters?
Ans. To declare a function template with multiple parameters, we need to use the template keyword followed by the template parameter list in angle brackets. For example, `template <typename T, typename U> void functionName(T arg1, U arg2)` declares a function template with two parameters of different types.
3. Can function templates have different return types for different parameter types?
Ans. Yes, function templates in C programming can have different return types for different parameter types. This is achieved by using specialization, where we provide a specific implementation of the function template for a particular combination of parameter types.
4. How does the compiler determine which function template specialization to use?
Ans. The compiler determines which function template specialization to use based on the argument types provided when the function is called. It matches the argument types to the template parameter types and selects the most appropriate specialization.
5. Can function templates with multiple parameters have default arguments?
Ans. Yes, function templates with multiple parameters can have default arguments. Default arguments are specified in the function template declaration, and if no corresponding argument is provided during function call, the default argument is used.

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