natecook1000

import Foundation

public class CoRoutine<T> {
    private var index = 0
    private var sequence : [T]
    private var routine : (T)->()
    private let step : Int?
    private let deltaTime : TimeInterval?
    private(set) public var isCanceled : Bool = false
    private(set) public var isDone : Bool = false

natecook1000

func tellJoke(name: String, character: Character) {
    let punchline = String(name.filter { $0 != character })
    let n = name.count - punchline.count
    
    let joke = """
        Q: Why does \(name) have \(n) \(character)'s in their name?
        A: I don't know, why does \(name) have \(n) \(character)'s in their name?
        Q: Because otherwise they'd be called \(punchline).
        """
    print(joke)

natecook1000

let xs = [0,1,2,3,4,5]

let double: (Int) -> Int = { $0 * 2 }

let isEven: (Int) -> Bool = { $0 % 2 == 0 }

// Goal: [0,2,4,6,4,10]. Double all but the last even element.
extension Collection {
    func mapExceptLast(matching predicate: (Element) -> Bool, transform: (Element) -> Element) -> [Element] {
        var result: [Element] = []