Validation Property Wrappers

Property wrappers are turning out to be super useful! In this video we'll look at an open-source library called ValidatedPropertyKit, which gives you property wrappers for validating user input. With it you can check for ranges, non-empty strings, regular expressions, or extend it with your own.

This is a companion discussion topic for the original entry at https://nsscreencast.com/episodes/427-validation-property-wrappers