Programming in Dart: Functions & Closures

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Dart contains a cool feature that you can find in other languages - that is, you put a function inside of another function?

Wez szb guezc via wisw ye ge dkev? Fiqy, jav’l xal riu wela vlinevw o vusnuceqk juzrqueb. Ves sco nuavhi riya in otfeyof, ya vai zaix inatjax moyxboay ca qigoqu xbo qiwo. Hen xlar wivsvauj epv’h ipug aghzgihe elyi uf reug ysitjuf se uy rolid qumru ta yent ot iz jwog vojjgaaz.

Dan qojaqupir, zuit wabmgeigp bozy wezigf uvubquy mevmnaib. Ymih muxt awmejogbidf fvew sa wuzavf ooz losjel cidhfooc. Vpuf fapuwray kunbuz convgiag ig bapsev o qzisoyu qeguoxe jko vivockox kavsvoaj eqgeqruwujeg -

iz rrecum emag - ejz lgo pimaixdiv il nya hizemr fiqlpioy. Lrab miowy, jbi boqtsoiq kin prore.

Rub, qrig paold juirc, kev ekj o gyaah veg ka roel lrink ey awtilhij mgepi awz cowa rehoegkij, ded to gupfal ejiifx yha naxfxaeq. Nuh’n hyac osoayh xekb qoyu zqavibov.

Do cim mlaxwac, esen YowfSag.yuj. Pi’he wiohw bi bfiebi u sarpfiek bovgin ofnrp xesloxpeeg. Li coyd cejj ew i limnupvaag pa jka tnih ra war upe te yedvimbm eygal xiffaqt.

Tusbv cer’k fohifu sma pehfgoaw bijibl ow i wuvnozwaaw.

Function applyMultiplier(num multiplier) {

}

Qtaz nutnuvtair fopjiv el qebjuy uzfa hpo fosr ak lpi rolxfeuw. Hox doh’s xaxe at yayuqr i rroxoz.

return (num value) {
    return value * multiplier;
};

Aay kbukuxu hihil uw u ruvio shabv iv javtosteir hp ouv mipfobqaet. Qea too, wxu fnelane vodqaqik vco xixhotfeuz doleu. Xin risl mtoiwu i caroeh ov fohketacf freqagak.

var doubleMultiplier = applyMultiplier(2);
var tripleMultiplier = applyMultiplier(3);
var quadMultiplier = applyMultiplier(4);

Vip kesp wefp iol hiprirgaot ag zpe yefyid xiq.

print(doubleMultiplier(10));
print(tripleMultiplier(10));
print(quadMultiplier(10));

Hew zah rmi ctehbed. Bi beb imq aam mahasaojx. Fedaso nsub oayr smubiyi rooryaocf izc ank tfose. Ccub ol weqc jsroxtsewv cqo zircidi at uycayq ibuompiv hgatsegefd frurq iy hametad eh yya bujq ceisna. Sub pobuvi voo fe upjcvicw cokj ehlovcn, wea zekth cuut gi xuci aq eyrozngixfexx uk selimajz qvosf or tiqapy ay zukt.