O'Reilly logo

Swift Functional Programming - Second Edition by Dr. Fatih Nayebi

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Lifetimes

When observing a signal or starting a signal producer, it is important to consider how long the observation should last. The concept is represented as Lifetime and is useful any time an observation might outlive the observer.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required