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iOS Swift Functions and Optionals Functions Function Return Types

swift functions

Is there some reason why in my playground I get an error that says I need to label width: when calling the calculateArea function? the calculation shows up correctly to the right but will not print out to the editor unless I add the width: label, weird huh?

Jhoan Arango
Jhoan Arango
14,575 Points

Hello Daniel:

It will helps us help you further with your question if you are able to provide your code. You can copy your playground code in here. Follow the Markdown Cheatsheet for formatting your post.