Kuxazululiwe: i-tuple to list

Impela, sengikulungele kakhulu ukubhala okokufundisa kwakho kwe-Haskell Tuple to List. Nakhu:

Izimpuphu ziyingxenye ebalulekile ye Ulimi lokuhlela lwe-Haskell. Banikeza indlela elula yokugcina amanani amaningi ndawonye esakhiweni esisodwa, kodwa ngokungafani nezinhlu, lawa manani angaba yizinhlobo ezahlukene. Kodwa-ke, kwesinye isikhathi ungathola ukuthi i-tuple ayisona isakhiwo esingcono kakhulu sezidingo zakho, futhi ungathanda ukuyiguqula ibe uhlu. Lesi sihloko sizongena sijule endleleni yokwenza guqula i-tuple ibe uhlu ku-Haskell.

A ukuguqulwa kwe-tuple-to-list kungaba umsebenzi owusizo ku-Haskell kodwa kudinga ukuqonda okubalulekile kokubili kohlu nezici ze-tuple ku-Haskell. Njengoba lokho sekuphumile endleleni, ake singene esixazululweni.

tupleToList :: (a, a) -> [a]
tupleToList (x, y) = [x, y]

Ngenhla kunomsebenzi olula we-Haskell othatha i-tuple (x, y) futhi uyikhiphe njengohlu [x, y]. Lo msebenzi ulandela i-syntax evamile ye-Haskell yencazelo yomsebenzi. Kuhlanganisa igama lomsebenzi (tupleToList), amapharamitha omsebenzi ((x, y)), umsebenzi wokubuyisela (=), nohlu olubuyisiwe ([x, y]).

Ukuqonda Uhlu lwe-Haskell

Uhlu luka-Haskell luyisakhiwo sedatha esilinganayo, okusho ukuthi yonke into esohlwini kufanele ibe yohlobo olufanayo. Ngokuphambene, i-tuple iyisakhiwo sedatha esihlukile, okusho ukuthi i-tuple ingaqukatha izici eziningi zezinhlobo ezahlukene.

Isici esibalulekile sohlu ku-Haskell ukuthi zinjalo izakhiwo zedatha eziphindaphindayo. Uhlu lungachazwa njengohlu olungenalutho noma inhlanganisela yesici nohlu. Le ncazelo ephindaphindayo yenza uhlu lube lula kakhulu ekwakhiweni kwe-algorithm ephindaphindayo.

Ukuhlola i-Haskell Tuples

Ama-Tuples ngaphakathi kwe-Haskell asebenza inhloso ehluke ngokuphelele. Ngokungafani nezinhlu, zihlanganisa izinkambu eziningi zezinhlobo ezahlukene zibe yinani elilodwa. Umklamo wabo ungowokudala izinhlobo zedatha enesisindo esincane kanye nokuhlanganisa amanani ahlobene aqoqwe abe iyunithi eyodwa.

Omunye umehluko obalulekile phakathi kohlu lwe-Haskell nama-tuples ukuthi ama-tuples awadingi ukufana. Leyo - ama-tuples angabamba idatha yezinhlobo ezahlukene ngokungafani nohlu olubamba kuphela idatha yohlobo olufanayo.

Uma ucabangela lezi zici zama-tuples nohlu, kulula ukubona ukuthi kungani umuntu engase afune ukuguqula kusuka ku-tuple kuya ohlwini lwekhodi yabo ye-Haskell.

Ukufingqa, lesi sifundo sikhombisile ukuthi ungawakha kanjani umsebenzi olula we-Haskell ukuze uguqule i-tuple ibe uhlu. Iphinde yangena ezicini zakho zombili ama-Haskell tuples nohlu. Ukuqonda lezi zici kunenzuzo, ikakhulukazi uma kuphakama isidingo sokuguqula phakathi kwalezi zakhiwo ezimbili zedatha. Manje, qhubeka nokuzama nge Ukusebenza okuhlukile kukaHaskell futhi uzothola ukuthi amathuba ayo abe aheha ngokungapheli futhi abe namandla ngokwedlulele.

Okuthunyelwe okuhlobene:

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