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ESPN Mobile Software Engineer Interview Question

I interviewed in Bristol, CT and was asked:
"Design a block function that returns an array and Bool."
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Part of a Mobile Software Engineer Interview Review - one of 80 ESPN Interview Reviews

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Blocks are a relatively recent introduction (2010?) to the world of Objective C. Like declared functions in most other languages, a block function can only return one "thing" (or object). To get both an array and BOOL out of a block, you can either declare "__block" variables that can be passed in and modified from within the block, or you can return some Objective C object that contains both the array and BOOL.
- Interview Candidate on Jan 24, 2013 Flag Response

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