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iOS Swift Functions and Optionals Optionals Exercise: isDivisible function

Posted by Abdullah Alsowaygh
Abdullah Alsowaygh
8,719 Points

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
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.

Abdullah Alsowaygh
Abdullah Alsowaygh
8,719 Points
Abdullah Alsowaygh
Abdullah Alsowaygh
8,719 Points

Ok thank you very much!