Updated: 20250516
Exey Panteleev Exey
ryansobol
/ Array+Permutations.swift
Last active
August 12, 2021 15:38
Generate the permutations of a Swift array
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| extension Array { | |
| func chopped() -> (Element, [Element])? { | |
| guard let x = self.first else { return nil } | |
| return (x, Array(self.suffix(from: 1))) | |
| } | |
| } | |
| print([1, 2, 3].chopped()) | |
| // Optional((1, [2, 3])) |
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