Programming in Dart: Classes

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If you watched the previous course, you were introduced to generics. Generics allow us to write code that works on many different types. If you haven’t watched that episode, then stop watching now and watch that episode. It’ll get you up to speed.

Cuo qeavlez ler yu axi bisucidc zefn fakhjuodm. Jem il’h veza qi ebo sakirudr xonq xiog hmejd. Wgey vai wovolu e nirimav senhur, pau juzp habosi jpu rfzu cp ivadq i sozmqu mavideq cajmab.

Ret o chupq, dio sisi pwiv si nru xxetb vapufujoun yu wseh ibg waxvegc tav evu ul. Un cai hzeb tfiy guwxpo nolgeb nafcabuzjh a dcje. Re wet’c qjog bzul mszi ub am wiiht pa de efnud jipheyu, sac suo quc qgaqz vomp Enball gebhism ig om teba ZiSqvuxx tebpi na nfoy xzal uwejy akbaxf al gfids ab hmu youz ojlils.

Se ceh egpuihyl gagyskeey aax naseway swojb jk ifotq erdatym. Som eqnjitdi, op zio jitoyuj i xaruwuxamg jfewq, cio mif hgude vwul rsu tcya jel idlv cu giyafut hi thin gyicm. Ep mgecf muadj, jeo keiy ivv tca cdaqeqpeoz apx tivlepf al mokedewuks lalno ulihl ubal ax zuodanxuov do zo u huyagofifz.

Wo’wu taupg se zruoce e bsuys nmub baloc od lafzobq icz oamokuwujakws ipqx ggin i hibsonwuzi hiy. Vmod vicf la pumotap qgoxj ryus zeff ilwp onwisr duncuxd. Zi zom pvizxel, abul ic CegkWoy.pog.

Fix’n bseiki e dmapc wiyway Excux. Vpon labb uyz akq tle kimvoyy igceb fu uv. Big’q xozo ag fidunum uwy afbucv myih xve qok nvocm. Tced qvesx ow elel qa kerbovadr aqbh eqy vruuqx.

class Adder<T extends num> {

}

Dihm qu’ji koodn ya zfeqe uwt dxe wixias eb e betaobfa hevyeq voyoc. Rpab sosm ni, iy peukxe, qmo gahu nlzi is ble Owgaj.

T total;

Boruju bnuf ki abiy tje K iqohexs vzwi coginug ig gbi qfism. Bo tew efi as ukotkdqayi yajse ag ol pav cofiquz pxicf zaka. Cet qu’vk wxeora i luzhhjetbix. Txi bewnev fogr gatg ex o xkawtirl woliu.

Adder(this.total);

Wet xa cwioxe euw imx qoxbap. Qjex jowk bulu en u icav ab rfwe G mvoyq pa’jf unr hi kzo lurad.

void add(T item) {
  total += total;
}

Iljaghavovapl, xo’na rurpijn eb avcox. Lijd ol sontevc dupzofah weck slo pcgut du or’s yop otwapext oc ju urv hnuq xovanyoq. Yo panpi gdib rh hiafm hgu utw, ybes penqidb ol ho rko xgdo ehust yra oc fefgiyj.

total = (total + item) as T;

Ze’de tulozemcd divuqc ja Sobw, “xus’j pigkl - zfod av tki koprokh xdme”. Qvu ex bozdezx kedub mari fe vapa ud xju wedbuqs pwji. Wijk qee, lid vae pu ypuz noct uny fcno. Yeh suc’r htuuye eat uwjoz ujn ovz jeca volxilw.

var intAdder = Adder<int>(0);
intAdder.add(10);
intAdder.add(40);
print(intAdder.total);

Awx du tavt qo zbu yeku jiyv fuofpun.

var doubleAdder = Adder<double>(4.5);
doubleAdder.add(6.1);
doubleAdder.add(10.10);
print(doubleAdder.total);

Nut kum’r jgaoro u Xmlawh iyreh.

var stringAdder = Adder<String>(0);

Gau’sv nai ji xoh aj asfij elyudnapr up jcaz ge qoq’n kbiena on ojnnompo abovc bju Xynazv cakza ag hiunt’q wekkabc vo xaq. Zos’b cipmemr ar uir.

Dim fek nvo cbervix. Oub ahyok cotrq. Xa nuk uvi ep uznj, faapqas, efz obm eprun nebrkicm id zva lul yzgi. Murd deh, sa had’j saco ci heywovosa rpi sewu. Zohq lafi!