ushpizin

//: Permutations
//  based on https://www.objc.io/blog/2014/12/08/functional-snippet-10-permutations/
//  but updated for Swift 3.0 (Xcode 8.3)

extension Array {
  func decompose() -> (Generator.Element, [Generator.Element])? {
    guard let x = first else { return nil }
    return (x, Array(self[1..<count]))
  }
}

ushpizin

//
//  DateComponents+Comparable.swift
//
//  Created by Liran on 27/12/2016.
//  License: MIT
//

import Foundation

extension DateComponents: Comparable {