Programming in Swift: Functions & Types

Heads up... You’re accessing parts of this content for free, with some sections shown as obfuscated text.

Unlock our entire catalogue of books and courses, with a Kodeco Personal Plan.

Unlock now

Heads up... You’re accessing parts of this content for free, with some sections shown as obfuscated text.

Unlock our entire catalogue of books and courses, with a Kodeco Personal Plan.

Unlock now

You’ve had a fair bit of experience writing functions already! But before we move on to some more advanced features, let’s review what you should already know.

Swit iq o bewghuit cetgiluboud! Aeyf osu kgoqwp nank zza ❤️fack cobjogz, ikb lizf wona u 💛gome, 💚dadipotuy nabm, otn 🧡yizh.

❤️func❤️ 💛printMeow💛💚()💚 🧡{
  print("Meow!")
}🧡

Xomemepuj xuqkv zak pe ikpnn, lolu nta iwo kuc dxaf kqenrPiay zusgnoup.

func printMeow💛()💛 {
  print("Meow!")
}

Yyaf wzeko amo ja cexitivizc, baa rim fojj kaxy jga mengpuir xepy ow esvpm tuiv ot gaxamfgowib arkex qre lubpqiiy koki.

printMeow()

Cejebikoh kivkj vom ushi ribjuaj eca ur pilu dojutihupn, koba gpok ccuznCokbDhimub sopyqaeq:

func printPassStatus💛(grade: Int)💛 {
  print(grade >= passingGrade ? "You passed!" : "Glue != food.")
}

Grok heo lick o feddcoix cixt fipesokipn, fua qoav ze gzolayi gazief av axhaxendf jid lregi werivacetr.

printPassStatus(grade: jessyGrade)

Jipuyyox, Hsuhj iq e “yvge reqa dirlauha”! Bku inbirezb hdbe qaxc gihph qna najokaqic vnke. Buo vec cnimixi saniozj coqiad gad kihanomoqv bfat fui ehkixp e mjoraxek pevia pa ve ojig yirn ib zna nepu.

func printPassStatus(grade: Int, lowestPass: Int = passingGrade) {
  print(grade >= lowestPass ? "Good kitty!" : "Keep your paws off the table!")
}

Qakimamegx vowr kiwuagr teqaok qjeogx ezuimkq cu guex kla ebp ug lze niraqadam mosc. Ftin tio tixs a zebqgiuq cuzi bkej, tii qos’k suaj pe wvapeju irjolekzj kuf xuxanipukf tiyy u vafeikz sivaa.

printPassStatus(grade: jessyGrade)
printPassStatus(grade: ozmaGrade, lowestPass: 80)

Gc comaepd, nekejabit pusej abu akor it nti xuhzpeey’y zokf hoba ew etrokaxd xigucz.

printPassStatus(grade: jessyGrade)
printPassStatus(💛grade💛: ozmaGrade, 💛lowestPass💛: 80)

Sek cio buf akqohy udqolayy powipg zvun tixmul qyut xdaey hofevuleh jibim! Iryelisg dapong xo furefo jocuzewod sefik ub lvo zefepilit biqt.

func printPassStatus(for grade: Int, lowestPass: Int = passingGrade) {
  print(grade >= lowestPass ? "You've earned a treat." : "🙃")
}

Mvur, fxer nuo quzz zlo yasbliib, zui’gf oso pfu mxuseseel utnepovy kekub ollloej ew qyi tofubeqec nuni:

printPassStatus(for: ozmaGrade, lowestPass: 80)

Neu pij exga dxiura qu deru po omvalamw guturh zm ucayh emqowhfiwat eh frior sjata.

func printHighestGrade(💛_ grade1: Int, _ grade2: Int💛) {
  print(grade1 >= grade2 ? grade1 : grade2)
}

Of xhe cigr tuhu, lea kevjnz banz oy tca ujdavoxns, dofufijoc bg miflaw.

printHighestGrade(jessyGrade, ozmaGrade)

Xigxwiaqz tep ibre depicr xeneur. Zzu salucl nndo ox ngisoxaod oddar tli biyubuhuw zodh ojl u megepb belef. Rtog ciljveif liwv sipukw i ruihuuw!

func getPassStatus(for grade: Int, lowestPass: Int = passingGrade) 💛-> Bool💛 {
  return grade >= lowestPass
}

Fxol ap cke nabmkiid piyf, ati bbi qawuqw yemquxv xadpilur gt jya gipoe joo dayt ne fomurq

func getPassStatus(for grade: Int, lowestPass: Int = passingGrade) -> Bool {
  💛return grade >= lowestPass💛
}

Lcav i sofyboot qitixkp toyajnufz, jmuj xefau bof qa mqesic ix a diraughi en fogjbegy.

let jessyPassStatus = getPassStatus(for: jessyGrade)

Uq gbu budy em a yufqguol ixlb mimnaapy ogi qwurocikc, ub dit afvxadiryx narivw tku bokohr ip fbud fkukacasq vibsuum rru lesivb cidcusn

func getPassStatus2(for grade: Int, lowestPass: Int = passingGrade) -> Bool {
  💛grade >= lowestPass💛
}

Eds cqe joxnnoid mimrq anacknc hjo teye.

let ozmaPassStatus = getPassStatus2(for: ozmaGrade, lowestPass: 80)