/Swift/Optional function parameter swift

Optional function parameter swift

Swift declare optional values

// Optional values are types that can contain nil
var optionalValue: String? // this can be done with more than strings, but for this example that's what was used

Source: grepper.com

Similar codes

0 vote312 views1 answer
Swift apply changes after a word in string
Swift
0 vote343 views1 answer
Xcode enable a button after a text field is filled
Swift
3 votes313 views1 answer
Add shadow to collection view cell swift
Swift
0 vote365 views1 answer
Vibrations in ios swift
Swift
-1 vote343 views2 answers
Transform string to url swift
Swift
1 vote305 views1 answer
Swift variable
Swift
1 vote305 views2 answers
Swift collection view cell size
Swift
0 vote314 views1 answer
How to center vertically scrollview swiftui
Swift
2 votes328 views1 answer
Swift 5 func to increase number every time call
Swift
0 vote314 views1 answer
Remove child from scene swift
Swift