Question: Explain the 'escaping' closure and why it's necessary in Swift.Answer: An 'escaping' closure is a closure that is called after the function it was passed to has returned. It's necessary when the closure is stored or outlives the scope of the function. |
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Is it helpful? Yes No
Most helpful rated by users:
- What is Swift?
- Explain optionals in Swift.
- What is the difference between \'let\' and \'var\' in Swift?
- What are property observers in Swift?
- What is the purpose of the \'static\' keyword in Swift?