In our last article we learned how to create functions and pass data into them. But functions can also send data back β they do some work and return the result. That's what makes them truly powerful. π§
To return a value from a function you need two things:
An arrow -> followed by the data type before the opening brace β telling Swift what type of data will come back
The return keyword to actually send the data back
Here's a simple example β rolling a dice:








