//
//  Array+Helpers.swift
//  PhotoRank
//
//  Created by Shadowfacts on 8/3/19.
//  Copyright © 2019 Shadowfacts. All rights reserved.
//

import Foundation

extension Array {
    func allPairs() -> [[Element]] {
        return self.enumerated().flatMap { (index, first) in
            self[index..<self.endIndex].dropFirst().map { [first, $0] }
        }
    }
}