Circular array swift

extension Array {
	subscript(circular index: Int) -> Element? {
		guard index >= 0 && !isEmpty else { return nil }
		guard index >= count else { return self[index] }
		return self[index % count]
	}
}

Source: gist.github.com

Similar codes

13 votes282 views2 answers
How to loop swift
Swift
0 vote142 views2 answers
Manifest merger failed in android studio
Swift
0 vote138 views1 answer
Swift increase int value
Swift
0 vote150 views1 answer
Deselect cell swift
Swift
2 votes208 views1 answer
Loop key value swift
Swift
0 vote153 views1 answer
Error TypeError: Network request failed
Swift
0 vote172 views1 answer
Multiline comment in swift
Swift
4 votes166 views3 answers
How to change background color swift
Swift
3 votes145 views1 answer
Reference to invalid associated type 'entry' of type 'provider' "widget" SwiftUI
Swift
0 vote165 views1 answer
Textchange in textview swift
Swift