Imfashini yezinhlelo iye yavela kakhulu eminyakeni yamuva nje, njengoba abantu abaningi ngokwengeziwe bencike ezinhlelweni ezisebenzayo ngenxa yobulula bayo, ukusebenza kahle kanye nobuhle. Olunye ulimi olunjalo oluhamba phambili yilo Haskell. I-Haskell isebenza kuphela ngokuthayipha okumile okuqinile kanye nokuhlola okuvilaphayo, okukuvumela ukuthi usebenzise kabusha ikhodi yakho futhi ikuvimbele ekubhaleni ikhodi engafuneki. I-Haskell futhi ikuvumela ukuthi ubhale ikhodi elula, ecacile, negcinekayo. Enye yezinto ezibalulekile zokubhala amakhodi okuphumelelayo ukuba nokusetha indawo enhle, futhi ku-Haskell, yini engaba ngcono kune I-Visual Studio Code.
Ukusetha Ikhodi Yesitudiyo Esibonakalayo ye-Haskell
I-Visual Studio Code, evame ukubhekwa njenge-VS Code, ingumhleli wekhodi womthombo wamahhala novulekile owakhiwe yi-Microsoft. Kuhlanganisa ukusekelwa kokulungisa iphutha, ukulawula okushumekiwe kwe-Git kanye ne-GitHub, ukugqamisa i-syntax, ukuqedelwa kwekhodi ehlakaniphile (I-IntelliSense), amazwibela, kanye nekhodi yokwenza kabusha. Zonke lezi zici ziyenza ifaneleke kakhulu ukuthuthukiswa kwe-Haskell.
-- Haskell Hello World main = putStrLn "Hello, World!"
Okokuqala, sidinga ukusetha Ikhodi ye-VS ye-Haskell. Lokhu kusetha kuhilela ukufaka izandiso ezifanele, ukusetha indawo yokwakha nokumisa izilungiselelo ngendlela efanele.
- Landa futhi ufake i-VS Code kusuka kuwebhusayithi esemthethweni.
- Vula Ikhodi ye-VS bese uzulazulela kuthebhu yezandiso, bese ucinga โUkugqamisa kwe-Haskell Syntaxโ. Faka lesi sandiso.
- Sesha i-โHaskell GHCi Debug Adapter Phoityneโ bese ufaka lesi sandiso. Lokhu kuzosiza ekusebenziseni ikhodi ye-Haskell ku-VS Code.
- Ekugcineni, faka i-โHaskell Language Serverโ ehlinzeka nge-API egcwele yohlelo lokusebenzelana nekhodi ye-Haskell.
Ngalezi zandiso, manje sesilungele ukwenza amakhodi ku-Haskell sisebenzise zonke izinzuzo ze-VS Code.
I-Coding and Running Haskell ku-VS Code
Sizoqala ngokubhala ngekhodi uhlelo olulula oluthi โSawubona Umhlabaโ. Lokhu kusebenza njengokuhlola kwengqondo ukuze uqinisekise ukuthi ukufakwa kwakho nokusetha kulungile futhi usukulungele ukuthuthukisa izinhlelo zokusebenza ze-Haskell eziyinkimbinkimbi.
-- Haskell Hello World main = putStrLn "Hello, World!"
Uma usubhale uhlelo lwakho lwe-Haskell, landela lezi zinyathelo ezingezansi ukuze uluqalise:
- Londoloza uhlelo lwakho ngesandiso se-.hs.
- Vula Isikhumulo ku-VS Code ( Buka -> Isikhumulo ).
- Ohlotsheni lwetheminali: ghci
- Ukulayisha uhlobo lohlelo lwakho lwe-Haskell : :load "Filename.hs"
- Ekugcineni, sebenzisa okuyinhloko ukuze usebenzise ikhodi yakho.
Haskell futhi I-Visual Studio Code uma kuhlangene, hlinzeka ngendawo ecebile ngezici namathuluzi asiza ekukhiqizeni ikhodi yekhwalithi ephezulu. Kusukela ekugqanyisweni kwe-syntax kuya kumathuluzi okulungisa iphutha, kwenza ukuthuthukiswa kwe-Haskell kube bushelelezi futhi kusebenze kahle. Jabulela Ukubhala Ngekhodi Ngesitayela!
Ubuhle Bolimi Lwe-Haskell
I-Haskell iwukubonakaliswa kobumsulwa nokunengqondo emhlabeni wokuhlela. Umqondo wayo wemisebenzi emsulwa kanye nedatha engaguquleki usiphoqa ukuthi sixazulule izinkinga ngendlela ehlukile futhi evame ukusebenza kahle kakhulu. Inesistimu yohlobo oluphezulu oluqinisekisa ukuthi uhlelo lwakho lulungile ngesikhathi sokuhlanganisa.
-- Haskell function to compute factorial factorial :: Integer -> Integer factorial 0 = 1 factorial n = n * factorial (n - 1)
Ukugxila kwayo ekuphindaphindeni nasekusebenzeni kwe-oda eliphezulu kuholela kukhodi ecacile kakhulu. Umphakathi wakwa-Haskell futhi uyiqembu elinothando nelisebenzisanayo labantu abazinikele ekuphishekeleni ikhodi enhle nenhle.
Kungakhathaliseki ukuthi ungumdlali wekhodi noma osanda kuzalwa ujabulile ngokufunda ulimi olusebenzayo lokuhlela, Haskell ikunikeza umhlaba ocebile ngamathuba. Ezweni layo, yonke inkinga iyinselele ethokozisayo futhi zonke izixazululo ziwumsebenzi wobuciko. Yamukela ubuhle obungabonakali kanye nobuhle obunengqondo be-Haskell, futhi uzothandana namakhodi akho futhi.