#191 - Swift 2 Optionals
from NSScreencast (free videos)
In this free episode, we take a look at a core Swift 2 feature: Optionals. Unlike Objective-C, where nil is considered a no-op, in Swift nil is specifically recognized by the compiler, which forces you to handle cases where nil might be present in a variable.
Embed this episode
No transcript yet.
Frequently asked questions
When was this NSScreencast (free videos) episode published?
This episode was published on October 8, 2015.
Can I download this NSScreencast (free videos) episode?
Yes. Use the download control on the episode player to save the publisher-provided media file.