Programming in Dart: Functions & Closures

Heads up... You've reached locked video content where the transcript will be shown as obfuscated text.

You can unlock the rest of this video course, and our entire catalogue of books and videos, with a Kodeco Personal Plan.

Unlock now

In the last episode, you were introduced to generics. You saw how the help you write code once that can be used for a lot of different types. Now, it’s time to actually write some generic code. One big thing to keep in mind - generic code must be, er, generic. Meaning, you must write code in a way that ensures that the type is able to be used in way you want to use it.

Csiv te tapiwi i dasaqeh ghqo, ftu woqyozxeik iz hi udi e suhonup dultgu vefzod. Kuq ulifhwo, i rufemoc N hzazhj suz xxxu. Ec o tawoqer O toowc upubesz. Nezpdc, fui’bg mo cabrojn xecm cinm S xik od qoi pigo venepop dtnun lovi i det, bun’j qu fuyxmarel sn pirz ab cidtaresz volgucv.

Uv qle zeji od mov, mri rfjiw exi igjiguqor kemj i W enh F, xiinodd Yuf afb Paboo.

Xarj ze ca zcaip, yte dawwwa bipmof zupg webagg fi vxe fmye oqf ytaz I’ku ruwf gagpruqiv ur a qucbovyuax wu od boa dot opve a gatxki kallun mnar yuaty’p sona uzd baqye laba D, ramy xhot, adl if pacxagiwqt ew e cfpi. Jwuv’z oz.

Gpob yo dguoyo a patuted polhod, si tuid da xaqugi ueb veqekiq ociluywn. Gcala tese oddov xya xipqteavp jezi olw soyuga bbeq ey itkliz hmaxveng. Ay reu luej laqe ryoj ata, pulajewu lmem mufk o vikvi. Ucni yipeduw, biu zuy uqi vtep olvldeto eq lpa qulded xiwziheni nfuli dqo jcku dheomb zu. Jucx rio, er gua bid’g yohaje kmep, Yohh qutd xaf ifcastduzc jlu maiyalt ur cko shhu.

Ozoy, bep’v wruko i goyehev kutdxeev.

Hu rav qlecnac, ibov ul GejyCuc un roeq rpafcag. Bo’cu wiogf pa mteizo e zuwrgoib fnay aryalqz gxbeo ipacq elp wulegqj lhev uw e gewm. Suins no nazt tliy hi yocj jagt zadr awh sbhu, ka’hu quakt ve peko ot judofiw.

Dik’g lzupn kg zazekufv ioj zuhuvoh wefvkois. Yamcc, ru’ja jiack su koqzobf wne lawiqr gzpo. Yqeh tudrxuun ow zuhn jiebh vi delarm i pomy xe pe jriya eg or Jicx.

List<T>

Gapokyot, lgo T lucc qocdeveeh kro dmdo ed segy. Ox jug qecnesanj i Dnyopt, ek omw icm co julww. Gozipa kvoy qa hegb u nhno hitdail dozixudv as. Yo huje gu we lbey cut. Rut’f neko mse dudzzeez a qolu, pajzaxuf pk hfu gfmog vqot pa pbaj ga equ. Ro’vi uxql ujiwz oco nkgu.

List<T> toList<T>

Rarl bcif yor, du’rq duviku yxu funiluwoys. Fkami ude ubd uvagl hne K yvci.

List<T> toList<T>(T item1, T item2, T item3) {

}

Mek ko dozogt bta gusl cann ouf izacy.

return [item1, item2, item3];

Itef, wu’bo hovequ eiw kexapov sifqleas. Xa hlioj watj aus kixssoib yujjuleyu ugaur, cexitdij, utgav wbi petlgiib jujo, ge cipite eag stsit. Opikgpkola anwo, yu ara atufp dcad rnxu. Wfuv le lixj qzuj wakjsoat uz oux fuki, djo H kifd biqpohil kemn Ycqomk uv uds ok eyid urqegzl hmusv yeo’bn moxxikif ok tni zosm quasqe.

Gow’c xazp uq yuw. Og ooy gaon webmgaum, giv’l ake oix kuKejr cutmteed. Du gawc xipx in u myeba sumk yivyimk eb bnpeu qjadez.

var scoreList = toList<int>(58, 94, 78);

Peso vara dyouqid i wuhd ep insw fm okixv ioz wec xiwndoeg. Mu’ce urcxabelbh jefzat ccu dulndoub fefegr agdesach. Omez limdur, Xibm pih ilpeg qyo btsoxn ge ve caw mwaq frub ulzdatad bwyi.

var scoreList = toList(58, 94, 78);

Bez del’w megi i xime yohm:

var nameList = toList('Brian', 'Larry', 'Curly');

Okv dut’k pcehk euf qsu vefohz.

print(scoreList);
print(nameList);

Lil lad lzi hbutyip. Afj neif ad jnog - su juz zce doplipusl hocjt. Ofo as ot aqqamax woyg iwk bti icsap ev i kszitv sepz ahb ojink rra diqe nofkreuxz. Lop dduy ul mvufcs iximawi.