Optional vs implicitly unwrapped optional: what’s the difference?
About 2 min
Optional vs implicitly unwrapped optional: what’s the difference? 관련
Language - free Swift example code
Learn Swift coding for iOS with these free tutorials – learn Swift, iOS, and Xcode
Optional vs implicitly unwrapped optional: what’s the difference? | Language - free Swift example code
Optional vs implicitly unwrapped optional: what’s the difference?
Available from iOS 8.0