Swift: Testing optionals for nil

Swift: Testing optionals for nil

ios swift optional

ios

Usage of where in if let assignment in Swift

ios swift where optional swift3

ios

How to remove all gesture recognizers from a UIView in Swift

ios uiview swift uigesturerecognizer optional

ios

When should I compare an optional value to nil?

ios swift optional swift2

ios

Why is main window of type double optional?

ios swift optional uiwindow

ios

Is it safe to force unwrap variables that have been optionally accessed in the same line of code?

ios swift memory-management null optional

ios

Swift if statement - multiple conditions separated by commas?

ios swift if-statement optional

ios

In Swift, how do I avoid both optionals and nil object references?

ios macos swift optional

ios