/Swift/How to check object is nil in swift

How to check object is nil in swift

if let variableName = abc { // If casting, use, eg, if let var = abc as? NSString
    // variableName will be abc, unwrapped
} else {
    // abc is nil
}

Similar codes

0 vote347 views1 answer
Swiftui circle
Swift
-1 vote362 views1 answer
Swift uicollectionview reloaddata completion
Swift
0 vote359 views1 answer
Swiftui button multiple alert
Swift
1 vote349 views1 answer
Swift 5 check if dictionary contains key
Swift
0 vote335 views1 answer
How to multiply numbers in array swift
Swift
1 vote395 views1 answer
Quartzcore framework pi chart
Swift
0 vote347 views1 answer
Swift remove all pins from mapkit
Swift
0 vote350 views1 answer
Swift repeating array
Swift
0 vote362 views1 answer
How to change the color of back button navbar xcodee
Swift
0 vote309 views1 answer
How to check if simulator in swift
Swift