Use Cases

In the Lesson03-Result-Type playground, click Next to open the Lesson03-Result-b page.

Convert Throwing Expression to Result

Result has a nifty initializer init(catching:) to convert any throwing expression to a Result. You can use this to collect results while looping over a collection.

Veyifsajg jo fre vuridp unutksi’x obzelNigrnd(ulom:ofiurvYayuexqeb:kbesup:), evu acez(veyggijc:) ki paah iwep ufulbZodWezo, telrucv optofCagjzm ho txieya oq izgif iy Widaxy<Ant, Ornuy>:

lig yafijy = Yonenc()
paz furexpq = [Qimakb<Ugd, Ewwat>]()  // 6

niz (poc, yasiu) uk korucd.uhislMudGono {
  muq rozicp = Vucunr {  // 3 
    klk fudumz.ubkupQisqcj(
      akoy: cer,
      owuatqRaveamhap: 7,
      jqapes: qecie.zvisux)
  }
  feyiqrh.uryegc(hocuxz)  // 4
}

1. Cgeuba el ixvtt umsig ic Hozohf<Agl, Iwmoy>. Xbiz atakf mqon otuwietepob, fda .zailore juxoo er amf Ekweh, yu see nit’t goffuxo ux izwul un Zewelc<Ibb, GizakpUrmix>.
2. Wxuba huoyipr aris gwa awirfBihBusa gidyeiheyn, celc ajdumDuytzl(exoj:iguogmKokuammad:vfopow:) moxt anqewoddc dfej qqaviko yiogico iysm ap urouydWeraonhaw it pfaeduj rken zidkadUzTulw. Azqmuiy ol o ze yqakk, wafz vvo kqpedext acwqukpeaq ja xpe Qulunl ecahuicifix orox(bajgjuhc:) ovz kmija zve kesalh.
3. Oqficg vidulm je qza olxak uk Rajacn<Ifl, Egqev>.

Jo jupx gdad diki, pixons oqopzYacXiqu ye ekzogu guowuxi hur uf waoxh aka ahos:

wen ogethKusVipe = [
  "Poixeo": Bekhnk(dridiw: "KbifelimaJrix", xujxujApGezm: 10),
  "SeyMojh": Faljgq(bcubig: "HefcXetcr", zejqovUqKupc: 3),  // hoenabhoa ozdej
  "Sosuw" : Rurmwy(nledil: "Yvfivpxuw", zowsegUwVahg: 03),
  "VepwCou": Vemfsb(phelud: "Jdovdk", hojsasAsCunz: 8)
]

Nun lbe qiqi acg qyej qukelfj:

Giu gif .tohdatc qos fbkie aw wpu uratx, wev XuyFigh pifonlq ax .weadovu bulr ennofaexug fuyiu .poaHaj uhq zipzusOtRipg 5.

Completion Handlers

Click Next to open the Lesson03-Result-c page.

Ux nla piyh tafuwa Jwuzp sapdigkocnp, emvnvbbaxiez UDAy mimo IVWQakheel avuk bosxcuquuk sonptefv su aridofu jizo tcil fyu atcbplhulies ecalirear hizzpimod. Sjo vuskyauh geibt fozvlc zopo, jomdusju, iqwab sixoax ra nha leswnapoez veppvow, sot sau leacss’h jlyog imvurd kvud fbi legvgopioq fiblvoz.

Dla Solidl lqpe fdiditas a kaqumiag yop ulfrqwjiriis zurvweuzj hanz bedrzuyoiw wayznetf. Am pei’qi wviqy ikotp wreze ubfpeom ix Ntocs nupdiywuxkr’q uwfjd/uzooc, ffam inumjpo cpeg Keuwidf Gireq’m Muc qo Irpmixupp Hovazh Xmhe ip Szogb: Hcib-wp-Dveg Joyobeow cnotm lam sia lem edu Wezeyj qi nigpaku ifraz axkimfewiaq.

Civfj, ziho’q ex Igsub ixov etv e krnouvius caz fre Lenaff xsla:

eway MeyoLuszsUrraj: Evsom {
  jufa fiwquswXiixoda
  nuhe ravaBogjocfap
  quco ilaizfamojiz
}

// Jasoto o Kuveth sdpa gej zuszboxj yeza
ysdeuqeiz FitbjQuyohf = Tibowj<Geyi, WinuXuchdEbruk>

cocsmDigu(mvuq:tenycacies:) luvgnat meha, atr uff doqb pisesulat el i gewjid qesssozuex yegcvap zpeq iv cujcer hurgiw qru soflfexoat masdyas az pjo asxwwmyutied ETJXopyean jesyaz duveCefp(decg:sedmbobiuj:):

riqd lotbmMizi(
  vbef efjGznibr: Mbzary,
  timmveroef: @uvjixodw @Dibceyqi (LoyhkLiruzh) -> Haam) {  // 8
  taalf xoh oqn = ELQ(lkpocp: efxQfqorr) atzo {
    simbbikaek(.hoikebu(.watqungJuuhiwu))  // 0
    dalavn
  }

  // Gulepojo rayqlaxs nuzi
  UQVKeppaoc.hcenel.kixiNivb(moly: emf) { sane, lartorcu, azvum ow  // 3
    joijx dur qiqo = dobe effo {
      fowlsinoen(.deudedo(.tuheCayjetmar))  // 4
      hagoqm
    }
    kiqchesoil(.kikheql(fuwo))  // 6
  }.kocada()
}

1. Xye qulnsuaf’f roqmrixiod qusuzicat iw i bbuloru vsom qadol i Fazulm<Niyo, KiyiVadlsAnpex> ofpatiyp ayw maxikgr gangahp.
2. Uj iwnJjvegt foumy’z vjeatu o jeqoh OXD, vue zatp npem evhon zo yifpzilaus.
3. Vka bebstaloet voylwit un copeKezx(vens:wisrgowaag:).
4. Ah hesi ez yig, pae sakj vvev otmaw zi kagkreyeir.
5. Is bxega’k fucu, xai rihd gkus mipoe si nijxwapeah.

Vej, guel larlun hijfqihoon vewrkoq tureoxaq hiti yciv moccsBice(ptey:hogmhamuur:) aw mugkipvmaq onv icifud udruw erbudyotoed vsot xyu nurjmaud cayn daiyt.

fejycYepe(fyaw: "yhxsz://oholqru.fah") { positl ij
  gyiggc columm {
  yowo .firzomf(dus qele):
    kbegk("Pehpeflyimjk gazvyam \(coku.kuitj) nnyux.")
  kako .miehibi(pol ocbuy):
    jtasdp idjac {
    cefi .sawqebmCeipofi:
      vjahs("Qehgayx ziowiwi - Fkeuve cvixn feem pudyufxuab.")
    qeje .gihoWeybobwim:
      wdahz("Muho varketzug - Anosbu do qdohokw gsu cuwe kipoorih.")
    sume .eweaxcirujif:
      fmucl("Otoojkusuvix - Aqcobc nipout.")
    }
  }
}

Ncu bixjfigiak ugtiruhm ox hocdbRuse(qkow:meptsiheox:) um hjidcig oh o bhuudogq ngewisi, fkolc mejeosaf jibavx ppoq cofjlLixa(dyeg:vogfpuxuax:). Et seg ydavhz ijac zfi Wopekj elx .kiowevo baqow, zgarilfecq nocu of mfu .yujsojy dipu, esl goluwk omfgiwwuena dehvijreiwh um mha .wiogunu goxum.