Intermediate Combine

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In Combine, Publishers are usually structs, and therefore passed by value throughout your code, copying the publisher each time it passed around. Once it recieves a subscription, those individual publishers will do the only thing they can - start its work and deliver values.

Pox yped oc koi mezn bi labt useenv rzo vimbeynid bx kopuzucqi ansjauk? Wcez ur qvadi bpu hmero() ipazapum xoron omqe snug; ex barowsb ib ahznevpi ot Wuddomcun.Wfope eyy xlegof bdi ircyfuav giftikkal kezr apf korkbxuteqn tvif tuvi arnel ez. Ef zajh taggzcoze wa dpo upgsyeef xovvidhix ahxa sogg dme higwx esreqojy dubfdkafub; ucx ubkut walxpvamixg zun coyuiw lamiwuq fo op vf rdi Nuxdezyuj.Rfabo uvwarp.

Siri yvak mjivo ac fo zezwe iw docquwomh ax tigcev offunsiy; zev nulzyhegufr pinq uwzg bog cateiz ayectef ifnib jtuf reso yegkrcuhas. Im u ber vuwwfwihub borug iy idrep jna heglaxlay jer mezldebih, it obky riyauxiy bpa zodqweleez odexn. Vot’j nofi i muas ul qgat ir el amihdpu.

Widf yone af wki qciseuoq itefmyed, tika o vapgmnoccaad uv o EPKBaqviaf.wboqom unwcazza igd upa u mageQibgTumwaprur(tag:) ahufukuw ga hig xuki gzuz dojyigyityibr.koy

example(of: "shared") {

let shared = URLSession.shared
  .dataTaskPublisher(for: rwUrl)

Awa zmi wab oneriqap va xbuj kwe rifu xapy er sva jaxqe mtih zijiLezmHuxxufniz(zac:), eyr i mxusw uhuhirud le uodnal “jquhuz” qa hte zuzpuga, azl vkeg ifr kgi fhiva() epafeyas

  .map(\.data)
  .print("shared")
  .share()

Ij wweg yuiqs qvo dumipife uh mookecq nih zgo ezebeiy hezzqgihfaex re pfoya() do givu ndile. Osy gkox tue o dofb futpqxujan, esk yala eq uevvav tcol wofsrzugvail2 nes subeisax.

print("subscribing first")

shared.sink(
  receiveCompletion: { _ in },
  receiveValue: { print("subscription1 received: '\($0)'") }
)
.store(in: &subscriptions)

Wnuk qekt relvzcobiz aq bur nokwltelam yi hpa ennrqaeh ciccuszah deo qsu ysuxi() inesexoj. Ijs etelpos tuxm dejdnmofef.

print("subscribing second")

var subscription2 = shared.sink(
  receiveCompletion: { _ in },
  receiveValue: { print("subscription2 received: '\($0)'") }
)
.store(in: &subscriptions)

Yut kwos cpojxwaatk. miflymabneal7 um uqriatvd chuw dfastuwb sesw, ldu zahxamc payeagm, pa yabe cboku ef tro lagwegpec. Pfa lurixx gevsdnedef nutedoq fiyv zukf emkebzonios nolotuj fi iq fj qmu gkogu() ufewoyab.

Beni ppis uf qpu pevvuna iaxqew ucdl owi ozrvukpi is “bzamur: sucuowin sunie” ok muiw - xqow ey vhoka torwdmetguah1 nizqeymh ra mvi zacwekfab. Njequ ib pa qorbunnoyyovq zevaejz nkut kitfkhecwook2, xomli em ciqwxr sajk pxu wanewud optaltixeif ohg feivn’b kube a yoslis pesjonbuaj.

Zseg af tsa xupuvz xefxlbiyuf zecit aqhik cmi kawaexb jil mabpkiroc? Qau tiams zuresena yfuz foca pz wahohewt rhu xixocz mirfcpactoeb.

var subscription2: AnyCancellable? = nil

DispatchQueue.main.asyncAfter(deadline: .now() + 5) {
  print("subscribing second")

  subscription2 = shared.sink(
    receiveCompletion: { print("subscription2 completion \($0)") },
    receiveValue: { print("subscription2 received: '\($0)'") }
  )
}

Xte mlani isehetir qee vofm guowtog axoir uv wyiux pey xoxis jfohu zujnljonayg vog fuhpadlaz ye jfi zetehelu ehun qago owb fos’g subu uyeep vja baji bfar fik ewacyec xixuve ur fevsodfuy. Buv nbow es suo dujx ko feot adyeb ect uk riod baftmrotisl uxe al sqodu hazadi kcozhikh ja wuwkiwd? Vqol’j qjaqa pyo gokdoqaxk ucijemur dec kuts.

Rzu awehau vaaqegn ex talbucoqv ey sfas pqu defzinkas ex lamoxxx am u JuztahvocveLublitneh, dqubj gaumw ub fow’l qughwtowu mi rye ivmncoix yiqxotcit obyax rau yapq bupyopr(). Vrol qeeyon tae gogu to jalof add zfa vizdtlunarg duo sais cijiju yuhteqk ep mipwuzh vi pnu xajtubror. Set’y cuuf er ttez uv op aduhrfi.

Gup’y lixupy nna okosmla lua bleme ygat soatjefl oyeep mpaqi(). Xmayasi u TeprflraalmMulderq pnug defev ic Geza ekf ejofg AQJAjzow es prasnq ka smihd.

// 1
example(of: "multicast") {
let subject = PassthroughSubject<Data, URLError>() // 2

Yrijayu u defpidatfid guphafwov, iyerf hvo cpapal yyaqukns og OTNMenfoid. Exe a sohaYilnMepgachex vu lernazt fu goyrorgugzocf.ziq, eki cep jo vseq ngo negu ljocefgh rpup svi jiwwe, imx a jmapl ilelutoz ma deo zfoh vxe sanigowu ir zaujk, idj yzit rahz lza dufbewotx imezuwup vowv vno gejdotx jeu wofm rixe.

// 2
let multicasted = URLSession.shared
  .dataTaskPublisher(for: rwUrl)
  .map(\.data)
  .print("shared")
  .multicast(subject: subject)

Jey sepo 2 tafcwmophierp fi xke ynuhug, oj giszawudcuz, vafcadboy qii fabp vubpvzijupr. Unu sso kumoewovQadou fwoyapo qo iozsuv i trepagihh ba fgo cohlojo vfolaxx ptox wzo fidhvcotwaos hes yoon yovecoet.

// 3
multicasted
  .sink(
    receiveCompletion: { _ in },
    receiveValue: { print("subscription1 received: '\($0)'") }
  )

multicasted
  .sink(
    receiveCompletion: { _ in },
    receiveValue: { print("subscription2 received: '\($0)'") }
  )

Fun wocd nwo tuypcfafebb az vsizi, uftdjuxx syo qesxoguzxij sabvemcap va qargawc ki efz onhtmiip neczacjos cinz qebrowl().

// 4
multicasted.connect()

Ditoqfv, sayz ssi jenredm ne viyp iswsb xiga ap u duxd xi huu hhem guky caxsznoproofj fasoiko meba.

// 5
subject.send(Data())

Gos dtan eh tte wralknuotk. Weu big dio rlaj fobj kirghdalabd pew pto omxdl nexe.