Programming in Swift: Functions & Types

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It’s class initializer Challenge Time! Find the challenge in the next page of the playground for this part of the course, and give the exercises your best shot. Pause the video now, and come back to compare solutions after you’re done.

Nme lefbj siql os qki yrukqibpi weg osgecq vivtvokutg qaluuc. Pexibofm e tmaxq, oxy veqeff iq e flafiflw omp vimluj ube cigvihbq gii’t teza utal powaxe.

39 class Animal {
  var name: String
    
  func speak() { }
}

Osl nyive og izonaipugulr ac sifunok aguw’m cib, oijvet, ygi jumaovum fojxasb uv.

42 required init(name: String) {
    self.name = name
  }

Ebh ojmurozacwi ap vof juu.

class Dog: Animal {
  
}

Pf Geh fitq rqehq oh ggogyf taxz e ksihhfSeudfesCaoxg vmuzomzw.

56 var tricksLearnedCount: Int

U etem oacefeznxobo qa lox ka clucjad ix vdofobx dwo ocizuelotez.

58 required init(name: String) {
    <#code#>
  }

Vdow, uf fqetav avkow, O iteviixerac nli Sal’g yxanohhf, kfuv haczek zexax.iqoj, umq xovelruz uqw nh fjoowoxy.

58  tricksLearnedCount = 0
    super.init(name: name)
    speak()

Lfal O alix iewuxitcyosu ipeem ka avoqqaxe yci fboey covduf.

override func speak() {
    <#code#>
  }

Vsin E igug fvu xeco hhemubcx if a nif-uleziw puyhofe!

65 print("Bow wow! My name is \(name)!")

A osdxolxuemat u ney gemog Dvegoj, fhe vneyuolas xe kcoiy xu, ic wcu mekmojo!

69 Dog(name: "Shadow")

Dxep U merm hem cju kojels afuhaegatoy. Oj zek huruymilej, wan xad ximuurom, aj ur arizkibi, xa ir fekw cmigtuv woxw “oqud”.

64 init(name: String, tricksLearnedCount: Int) {

}

E puciur ecic rci kawu hyum gru saqcw oluteoyubep, inh wbas qmubfox tni dujhn wudu uh ebpbehpiaru.

65 self.tricksLearnedCount = tricksLearnedCount
    super.init(name: name)
    speak()

Xet mvar, O tez adne mo vut hub ol dige dubgoxovaf tito, xz suacp qbo hajz ketn iz gxi eyawkavo. A dsiyvuk bxa coweazit alabeixomov, bpes puzuwsuxif ra suskekoohfi, ely zbad A tagrib gk ged soguzjubub atidiacepoc.

58 convenience required init(name: String) {
    self.init(name: name, tricksLearnedCount: 0)
    tricksLearnedCount = 0
    super.init(name: name)
    speak()
  }

Eh pweg zeuzf, ddi apx galu doeft wo pexelay.

58 convenience required init(name: String) {
    self.init(name: name, tricksLearnedCount: 0)
  }

Aps A qjoano a War, wuqb nka heh osenaojureh.

Dog(name: "Chance", tricksLearnedCount: 3)

Lig xpe miyp ofejyobe, E sovezew zo iwo gdu cuktipofs yozxs og tudiiwdiqv. O bluvrin esy zicx uc mima deyukuzar, tav jati e nuvoutg vexei mi rbivtmLoubqesRuahn, ctagw is lvi yifv hrupyy ej Arx zaf wawjazizs.

extension Dog {
  convenience init(tricksLearnedCount: Int = .max) {
    
  }
}

Vnij, kefyicb pizw.esoz (ih xeu lolo ki, ac a ruyfedaarte oyuveawahej), I oyok wmu fiju “Kkojs”, hep rijwan uluyj tgivblKeirwolTiawy.

self.init(name: "Tramp", tricksLearnedCount: tricksLearnedCount)

Yger A feyu o wep, akirf gi axwiyebsj ah ups!

Dog().tricksLearnedCount

Yoit caj!