18 lines
367 B
Swift
18 lines
367 B
Swift
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//
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// Array+Helpers.swift
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// PhotoRank
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//
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// Created by Shadowfacts on 8/3/19.
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// Copyright © 2019 Shadowfacts. All rights reserved.
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//
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import Foundation
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extension Array {
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func allPairs() -> [[Element]] {
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return self.enumerated().flatMap { (index, first) in
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self[index..<self.endIndex].dropFirst().map { [first, $0] }
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}
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}
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}
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