Introduction to Functions

Learn the basics of writing and using functions in C++, including syntax, parameters, return types, and scope rules.

Ryan McCombe
Updated
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Questions & Answers

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When to Use Default Arguments in C++ Functions
In what situations is it beneficial to use default arguments for function parameters?
Passing Arguments by Value vs Reference in C++
What is the difference between passing function arguments by value and by reference?
Best Practices for Function Overloading in C++
What are some best practices to follow when overloading functions in C++?
When to Use Forward Declarations in C++
In what situations should I use forward declarations in my C++ code?
Pros and Cons of Global Variables in C++
What are the advantages and disadvantages of using global variables in C++?
Returning by Value vs Reference in C++
When should I return by value from a function, and when should I return by reference?