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A blog about Swift and iOS development.

Back-to-Back Begemann!

This week, Ole Begemann talks about introducing an operator to aid interpolating optionals. Which is cool, but then he drops this tidbit:

The @autoclosure construct ensures that the right operand is only evaluated when needed, i.e. when the optional is nil.

I'd never thought of using @autoclosure to enforce this sort of "short circuit" behavior before. Very clever!


Hit me up on twitter (@jemmons) to continue the conversation.

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