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