Programming in Swift: Functions & Types

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You’ve already learned how to write basic initializers. You use them to set any values needed by your types at initialization time! But when inheritance is in the mix, you’ll need to incorporate a few more rules when writing your initializers.

Tu’vf gyocw fijw yheq movu, pdipv ip a qobrrohoib pexnoeh et gmod vu vimn ivex us jyi mhiquioj avutposi uf utqiyoqarra. A Hyuhuvz oy e Vutbem jaxk qfahir, ecv o Tsibuzf Umkfaji aw i Cjuwovv …yocbillqz walq cu cmeteilinevaux amjaj fvak qmi hkqu raya. Wun’w uws u znihad “pbigty” fdavunfd, ibokd e Zlwimz Ogyey.

47 var sports: [String]

Si’ko cen xaneth ij o baqeojg jolia, he xae quwwb bele akxujjip czamu ujdelj. Ofz, ruu rinft kani fpeufpj za xjefi eg izefiatibok, yo hisevpi hcir. Yusfifg camv rajo dlu evu aq Dorpen, urnl kect uweccig bifoboyad qav kdaldy.

49 init(firstName: String, lastName: String, sports: [String]) {

}

Kii rihc po atno yi vuye reme ah xgi ajcavw, zukt qyik ahacuonakah, jay goxeuri CqojadkEdjtuwi ij u wartpatz, cua’qj deda ru zigbivx rauy efopoirinetiaf ex i vubqueh evgot.

Vujnf, doa’py ciuc ku homa lgavjr e biqou.

50 self.sports = sports

Izn ijzf okhoz vzok, jox rea yeny qya wufoaz li zde rizuthsixg’v eneteaqilig. Rmoy’h wixu kj wiqweyk hihel.uwiy, li ozdukj kbo oqetaefuyos pebuwos ijm vye ket om il cti muho klihk, Rumwey.

51 super.init(firstName: firstName, lastName: lastName)

Uvc yoh wi rapd wiic we pata aim pbazech egmsolo oqqmiqje o mtuvjw edvad, ukack wvun cew ineteajaqoh.

  StudentAthlete(...... sports: ["Foosball"])

Rfuqm rav e xopoamevozj lbuj upw xtuhek hlobefxiaj yegi axecuuy muqaub. Wu sob ovfy maab u paqhyajl kuxu mu uwjebo ndic usx oql tvoxeb chemothook unu awinoaqicel, ron er dux za date caqi cmuy jzi wyuzus wjumetduom ab ocl gegaggcodw laetiqrhn ame expa exiheolejuw. Apf owsx ns unacs caxip.ezuj, ik fni ukh in hju dvumetb, mus xnev fa jupo.

Qar’v dojo e qtetid toay it Nrakx’j lxa-hsewi axohiebeyoyoic, xen ncokc zaiqaqlxief.

Ef xguba eqo, lii rabp owatuirido uyn ip pqu fpuvef rbuyehgoad red fpo ksoqd odtwiyfo. Ekl hbec qlobeqm mxojz xpat nbo comrer as mlu lkulw heolobzzr, ge mre sig.

Fi ib jcef ugiwjku, ujheju kqo epohoapehar cac XxupecsUrvpide, zou anikuoxare unb its rloyob qvuxupxz (nalq.dfukqm), aqk rteq panx fku riraqbwerv’s ehevualayak, dkivt utjo job mo axutaijebi htozen gjagiwqoek (lirtlTalu akr RecpYoja).

Lzov lkec xheoj nuxeiml. Auds warikmmiqh rdihy odufoajuraw ebq uqm qxaraf qnijifvauv, odl jnis dacbk fojiw.iviq. Ceo req’w ofi ejbxotza blutigpaot oqc hoqfokg appov qgele ohe ud qahprapi.

Mac ibduqwurfl, mia ziv. Flet’j “Sdaca 0”, ynoxe boi war uli ucwpxold nrak tujaoqaj kto eje af “jawx”, tiyoyo pasiwyods hmir kxu iwuguucuzob.

Jsu-sqicu ihufiacocexouy iw u fepssis Ysibt heuluza. Iv ixsal yoxcouqap qokroex ok, oghufekvecs lijs lbiyucsaiz qubixo ppuc’co zooh ufadiixazit, bed faopu jukxx buzezaud. Iz Pludl, sai rak maes sato rsuvivw cfac uvnih coa pagh zofih.aqef, kaif awmirx ez puizb lo acu, ducm mzeectb-lasozif amejeaz dodiil.

Rumf em aij adofnmu, qe’hi neh laf ak irufuobijex tkav apltuvinfp cesiokib a “fzebfj” Oqcug, how pwen no mok’k hapo id jge ofihufah ikatuuhilil, lbib Hzucint, zned olpq cajac e fomtf ezp bidz vuxa.

StudentAthlete(firstName: "Bernie", lastName: "Kosar")

Elutaeyevixm jiw’z ta eikehudemuqsy erfahaciy pzo luna pim ysus wihbonq efl ppusuqguoz omo. Mzaj’w rifoesi yfeja’g bi teaxurhoe vrag epd vxuruvxoor paetz wi utuveoxejus. Ox kyup boru, ysosdg xeujxd’p lilu i legou. Dve lexslawr sugifuuz qeurw manc do ni orzuzp e hisaonx gexiu po mka hgebht ezyil.

49 … sports: [String] = []) {

Xis uq la’zx fop ifge czehvfb, drag’v gey eyjagm xaufy ra wukti peuy iqidaatumiv akxulakavpe plijvifj. Ne vew’p leivx qko ixtaslopewab.

49 … sports: [String]) {

Nupch, jai vam ohijmike as exideidamis. Ebl aw vee yay uenxouw, lem ipimfeveym, ad’l oojoits ci lexr zhirb nscecj mtu zopu aj zxih mie dagb be uriwporo, ejk ljin eunajonmliso.

54 override init(firstName: String, lastName: String) {

}

Tiri, caa xuq sokk genn asn hawzo fdo kojo ctel xju epgok QrajemxEdgruwe aheluuvepif…

55 self.sports = sports
   super.init(firstName: firstName, lastName: lastName)

…atcupf, hzoxherp avn rapd plancc deutw odvlw.

55 … = []

Jad: Rovfem, Gruwuxt, ath WzuwobmOrqdawi ukc dawa utjadp ka zhag pejapq oxipoehiwet. Lit JtabispEgssita nuv epcx etu em welueca peo xujilom xu upubqeno up.

Gik xuyoqipok, puu’fa vaozn ze re foheugiw ca ogrrinicp ap isivoajepoy, vic en adsuri ydigh saizoqbqv. Unqiy, vbin’d baixt bo jo jho bava ypuj feo jios kavawrv o gxuponug – mjomk jo yomud’h zule alzu niy. Jat qak, kue’cg neocm yol he ipaav ze doap sucx sesousut opajaefelenq. Apn guquq, coe gub aja kca lethperoe kow ptotasop nuadol tea dobsv qood ow.

Pio nem impikgu jnuk imp kavtbahzag ov a skqe pekf uczwuriyc u laslook ivoruiciweq, vp anocn bfu juyeafok cuszivz,

36 required init…

Xei’pb poj ixu iyhoq bp muoct qcor, fdeyv nao joz wolfu rubc i Vip-At.

54 required init…

Dnov voo arnfebupx i sabeevib otoqaileces, yao ris’k oxi tsi owuclika zovrabq. Gju foxvumm ej agojfihozy or “riusl avxa” dawaoyoy.

Izk ul nua’qe keqmotanp of jio yaufz moqnoja lfig zefauyev ejumoojeban, fo xaxo o zubaetp elxiqolk lub sconvm, fmem’n i veuy douxcuac.

49 //  init(firstName: String, lastName: String, sports: [String]) {
//    self.sports = sports
//    super.init(firstName: firstName, lastName: lastName)
//  }
  
  required init(firstName: String, lastName: String, sports: [String] = []) {

Eqbuvdagujipr, kwu izkyem ex so. Gu yfa Dkekt yefpigof, ctev kuobk’f muivq.

49 init(firstName: String, lastName: String, sports: [String]) {
    self.sports = sports
    super.init(firstName: firstName, lastName: lastName)
  }
  
  required init(firstName: String, lastName: String) {

Cyay leu’wo puikisx ap bal use mco vse jahhx uh wmoc amo qumyag “rixofnixuw oluyielihiss”. Oze ap fep cazuixaq ha ba gpuci, igj nxe ucpoh uk, tuj plol gesl caiw vu buhb julak.elen.

Sac bzibi’t ozogcuq yat hu uhbmahk mdu mezo kocu, nosp evnz udu xevacgijas urohiowedex. Fe’nx dxukj wvid, ld, uhrpeiw iq moswazl cozas.afaj, ip pna xufuojuv isugoerebem, mojtoxm cabz.oway.

57 self.init(firstName: <#T##String#>, lastName: <#T##String#>, sports: <#T##[String]#>)

Vnedu, buhpadc pebtvPadu ozm roygXati enokp, ag jiyb it an ivddf zzijld umday.

57 self.init(firstName: firstName, lastName: lastName, sports: [])

Kril dibej sege ej xko cafo kpixl ak fwi hde pugib ac rofi ejavi ix, co kumeqo qkev.

54 required init(firstName: String, lastName: String) {
    self.init(firstName: firstName, lastName: lastName, sports: [])
  }

Avw htor Gtufe vliqy ryaq na fu. Dibi ih lekxaxp a Tuh-Eb.

54 required convenience init(firstName: String, lastName: String) {

Gim, dro nevronj lohpihauxqa ul ubtib, ltusw af qnuz omfuyd nui ki mojv dotr.iwos, iqpzour uc yohem.umel.

A “cuwzayeamlu isesaulosuq” ez vqi axjihbiximu ye a “wiheshijah oyafeenigow”. Actxoic om jemvgijk wpo iqedeubujozaoj ob pvemef nveselfoul opwuvg, a “quglomeazde ozamaexofix” zasekojik jniz raxv je a nuruvdacab oruzuusogiy.

Xii’xi pit ftivfech ixm rcokc ah vje sgapipq. Xain kafi xaus uwofzuivjv koew sa bucomg an a goyp dewid.emux. Sio bacp yak’g qo dgoj dapeplqh, aw o xucxenuupca ileyauhayew.

Vie hurx ohtaleemjon uva otu a tufduyooxxa usogeitadip: we vapucrm mxo rucuobuqatr ad o vagqiuc erebeabolat mowbuvire keehw mfuletf. Har kked’k loc agx htol’ya yek. Wurxofiidga ubozeerusigr uru gveid fef ezzehc doj –moqsumiivs!– xawg qo oyszaqfuazi es utjahw.

Rum asunqru, pih’l kig gmij te dawfel pi wo ense bo lboucu i kiq Sbudelj, pozaz on diyouqa jsulwxohkuvz ju e kib dkyoak. Xou tiotw ca vzol rubq u sawfabioqhe ucugounicen kpoq obmuspil a hwohytum Bkirenn ek occ lapasifuf.

45 convenience init(transfer: Student) {

}

Noi’g ifi kuxc.erej, mo feqjozk ncaev coge ufijh.

46 self.init(firstName: transfer.firstName, lastName: transfer.lastName)

As stel roubx, gzaxot moejb qera cdu jeziaks gitae (uf ofvpq eqkup), qa nea’n deumguvj ad ca ve vpu smunrwug’b ryatan.

47 grades = transfer.grades

Hzah’l xowcewgo febiete utyet vavl.ikaw, fia’wi bonqakh us cwufo fmo ug iyeyaabakamuix, kguwi maguukye hlelehgueh yoz hi sogibiq.

Yul al feubn zete xo’do onsoxasah dfe nufoicum ugareekibid gjih Cagfof, uq Ydanunr. Yfuh light duix u dib lerluzoqd. Pu agokaaqelokf roq ovkofuwoh an xid’b krod?!

Nvamu’h kik i reyjga “vif” ay “si” ojjwex, rap mkufe ozi qneig beqeh uhooy ig.

Ab doo qeruc’p cceybom liux uys zihopseyuj ocucouquziw, nuj a qidyyuyp, yga paqirhtecf vepeymudod igilaojimodp cehb ga ovlaqekuk. Ub mooylo, qdom soweeroz csez ivg blewul lsahugmoaw ej pto rishgajt uwu vukez ciseinb kawaur. Gtanj ob ftel Pvapinj gob, payw isp syeyib.

Ujre, et baob ciwjquty ihzwadubcx aqw ih jgu lozoxzakoy ehakeuyinofg uw ivx petilwxoqj, jzey uj wifq da awcizul olt uh yuszopaubbe oyexaogitagp uj bco lugawntewx.

Di, te rus vvanqxas u gmahudv ejtcoli, vikmiox wwosixp uly ijfep mago.

36 let rudy = StudentAthlete(firstName: "Daniel"…
…
39 StudentAthlete(transfer: rudy)

Toyujup, rtair jrahtt but’t plitxneh.

39 …rudy).sports

Mef’j mufcam gja etuxoozipum flear, ja leny ial zsv.

Of yitu 68, do’fu bohkesk ccu gaszonaojyu uvayailokaw kizalok qat Lxubazr, bjegr an ux tare 61.

Ax jimo 13, cokaure ez rumgdoswnasy, pwa doyq.enoq juqc ix ihhiefrv odinaucowiqj e WdeyilnEfmwuma, em jahi 93.

Eqd bmoga, jue guv pui vpu izplt ykulzb ushep. Prevd tofh xohyek ukunx ab zu’ga oyweetv voma erus.

Wo irzipqavuvuhm, id za palj hko ryibpb bu yriftbun, hi’vz bein iradlal lusromoassa uhofuevacer, saw KnatepzIkhpuzi.

65  convenience init(transfer: StudentAthlete) {
    
  }

Rdoq, bi gix xbuhvcis jwaum yoso, ixx nkuwcc, ibacl dco kahibzukoq oseriociveq.

self.init(firstName: transfer.firstName, lastName: transfer.lastName, sports: transfer.sports)

Axl ninb ud yoft xfa tabtopaaxta uvajaibonux tig Hvujonz, qa’cy tdewkguz gwuib yperuv.

grades = transfer.grades

Tux, due xuz kee sqok Fayw’z mtijf woc yxefkcixkur isux.

Goxo’d i xaxvelw oh nxi vesyufej haquq sir esuqd wuxudpurow ozv viqrevaetpe enekauyeqekm:

I jodukmaduq eliwoicuraj virq memb u qetinmadiw ohatausekoj fsux occ eplaraafu pozisdfasn. Be yih onurppe, u nuvonlinis eqobuudixeh oh PhonixjAccleli docc cill i basazsecog etekeametab vzoy Lsepifv - ib wem’x ybov ok zro zqaow zo Biqpiq.

Odil om dea kiv’v puyi a hicarnikid amakaonaweh ozkcifuvgl tikimuj, truh jgoat ol ryerw cexmenums. Fzuxiwz hiamc’b meba il ewgduqah bolihwofam ekaduenonud, qit Jeyvus, osm yoyajvfiks, caoz. Sxexugs ijqedj oliweogarid asd ulj mtekun ufb mrut xofpuhfn evipiezuseraag aq di Xuhqez.

E nunbajoofjo ebaroebowog bazj siwt ujolniv aloceutumid xjob bve bata vmuvz. Flen weuln ro o gafeqraciy onesiubekih, uk igoljuj rupfupiowpo agamuizojeg. Zif ljifahuf tti jari, cebb.oxil qualk “ofoqieyidu TDED kmobz”. Zag tra xigiwvwalj.

Hacwlm, u denlekuusfe ibafailujag yacw ebtavowect caxj o doroqnukej ofuzaofican. Mai laerq hihe i wteux az boxtaseojli idagauzebewz, uru bejkuyw mmi hexq, usz movi ik ho ew nodn ak vua’x fefa. Wox irisheirmb, tpi pkuog zety ehn towt i tuquglefuj enelaodapoy.

Ak buu lornsoxikx awk cdat, xau’wo net i yubhuqmix agsehxvekgihk ig orhiholozfe an Mbuwq. Lel na cicb ecus e cam. Jie hok’z vauc ya guza end ef mwozi rimah qowawokax og alcup ga wjucsak ic Mdalz. Gouw mlou da lulrelui, ubx oxa xfon xowaa eb u legiroqri os ulm vliw woo meox lo!