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iOS Swift Functions and Optionals Optionals Exercise: isDivisible function

Can we use return false instead?

Is it possible if we use return false rather than returning nil?

is it only the purpose of learning optional here?

2 Answers

Enrique Munguía
Enrique Munguía
14,311 Points

Absolutely, you can return false and define the return type as a non optional Bool, I think the purpose of the example is to use Optional.

Ok thank you very much!