> 
> **Possible Duplicate:**  
> 
> [What is the meaning of the term “free function” in C++?](https://stackoverflow.com/questions/4861914/what-is-the-meaning-of-the-term-free-function-in-c) 
> 
> 
> 

I am not sure what a standalone function is.

Is it inside the class or same as normal function outside the main and class?