Is it useful to use returns in the middle of functions? C++ [duplicate]

Question

My teachers keep telling me that return statements in the middle of functions should not be included without ever telling me why. I am mainly referring to the programming languages: C, C++ and C#.

The same goes for break statements.

Here is an example of code that is deemed invalid because of the return statement.

void Stack::Extract()
{
    if (Times == 0) 
    {
        cout << "The stack is empty, no number can be drawn" << endl;
        return;
    }

    cout << "Extracted value: " << Vet[Counter-1] << endl;
    Vet[Counter-1] = 0;
    Times--;
    Counter = Times;
}

This is the function for extracting a value from a stack (done via an array), a simple exercise that has been assigned to the class. I'm here asking for information because if return is not to be used in the middle of functions I need to know why.

In this case I have saved the declaration of temporary variables and concatenation of if / else structures as well as preventing the execution of the entire function code if not needed.

Answer 1

Having returns inside your functions makes life much easier.

if (x == 0) return;
do other stuff..

Code gets much more readability. I guess, your teacher has a weird approach to this point. My tipp: Follow his rules, as long as you have to. Afterwards do it like 99% of the industry.