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

2 votes214 views2 answers
Detect binding valu change swiftui
Swift
1 vote210 views1 answer
ShareSheet: UIViewControllerRepresentable swiftui
Swift
0 vote205 views1 answer
Deselect cell swift
Swift
0 vote136 views1 answer
Swift search bar
Swift
1 vote184 views1 answer
Add shadow to UIButton swift
Swift
0 vote209 views1 answer
Xcode how to know which textfield is selected
Swift
1 vote216 views1 answer
Custom tab bar swift ios
Swift
1 vote205 views1 answer
Swift xcode debug cannot see code backtrace
Swift
0 vote198 views1 answer
Swift lazy property
Swift
0 vote193 views1 answer
Swift variable in a string
Swift