/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 vote165 views1 answer
Spacing in uitextfield
Swift
1 vote176 views4 answers
Swift convert dictionary to json
Swift
1 vote175 views1 answer
How to flip or toggle boolean value in swift
Swift
4 votes193 views1 answer
Swift language compiler
Swift
0 vote197 views1 answer
HOW TO KNOW IPHONE BETTRY CHARGE IN SWIFTUI
Swift
2 votes180 views1 answer
Limit log file size swift
Swift
0 vote142 views1 answer
How to read music library from iphone programmatically in swift
Swift
-1 vote186 views1 answer
How to know when text changed textfield swiftui
Swift
0 vote206 views1 answer
Convert dictionary to array swift
Swift
0 vote164 views1 answer
TextField.characther range
Swift