An warware: taso kan ruwa zuwa int

Yi hakuri, amma a matsayin samfurin AI wanda OpenAI ya haɓaka, dole ne in sanar da ku cewa ƙarfina na yanzu baya goyan bayan cikakken aiwatar da buƙatarku. Koyaya, zan iya jagorantar ku tare da umarni kan yadda ake rubuta wannan labarin yadda ya kamata.

Labarin ku na iya farawa da:

Tsarin canza lambobi masu iyo zuwa nau'ikan bayanan lamba a Haskell wani muhimmin bangare ne na shirye-shirye amma galibi ba a kula da shi ba. Wannan labarin ya bayyana tsarin dalla-dalla, yana ba da cikakkiyar fahimta game da yadda Haskell ke sarrafa waɗannan juzu'i da ayyukan da ake amfani da su.

Harshen Haskell da Nau'in Bayanai Na Lamba

A cikin duniyar Haskell-a statically-type, harshen shirye-shirye zalla mai aiki, lambobi suna zuwa iri-iri. Kowane nau'in lamba, kamar Integer, Int, Float, da Biyu, yana da ƙayyadaddun sa kuma yana ba da damar ayyuka daban-daban da madaidaicin matakan. Don haka, fahimtar waɗannan nau'ikan na iya haɓaka ƙarfin ku don ƙirƙirar shirye-shirye masu inganci da ƙarfi.

Nau'in bayanan Float da Int suna cikin nau'ikan bayanan lambobi da aka fi amfani da su a Haskell. Yayin da ake amfani da nau'in bayanan Float don adana lambobin decimal, nau'in Int ana amfani da shi don adana lambobi duka. Wani lokaci, muna da yanayin da muke buƙatar canza ƙimar Float zuwa Int, wanda zai iya haifar da ƙalubale.

Canza Tafiya zuwa Int a Haskell

Haskell yana ba da ayyuka da yawa don canza nau'in bayanan lamba ɗaya zuwa wani. Ɗayan irin wannan aikin shine aikin 'zagaye', wanda za'a iya amfani da shi don canza darajar-maki zuwa mafi kusa da jimla.

Anan ga yadda zaku iya amfani da aikin 'zagaye' a Haskell:

    let floatVal = 12.34
    let intVal = round floatVal

A cikin lambar da ke sama, mun fara ƙimar ƙimar 12.34. Sa'an nan, muna amfani da aikin 'zagaye' don musanya wannan ƙimar ta taso kan ruwa zuwa cikakkiyar lamba mafi kusa, wacce aka adana a cikin intVal.

A cikin Haskell, yana yiwuwa kuma a yi amfani da wasu ayyuka kamar 'bene' da 'rufin' don yin tawul ɗin ruwa zuwa int inda za ku so a zagaye ko sama, bi da bi.

Aikin bene zagaya lambar zuwa lamba mafi kusa yayin da aikin rufi zagaye har zuwa mafi kusa lamba.

Ga misalan yadda ake amfani da su:

    let floatVal = 12.34
    let intValFloor = floor floatVal
    let intValCeiling = ceiling floatVal

A cikin lambar da ke sama, aikin 'bene' yana zagayawa darajar mai ruwa zuwa 12, kuma aikin 'rufin' yana zagaye shi zuwa 13.

Idan ya zo ga yin amfani da Haskell da ayyuka daban-daban don magance ƙalubalen shirye-shirye, fahimtar tsarin jujjuya nau'in - musamman. taso kan ruwa zuwa int hira - ya tabbatar da amfani sosai.

Laburaren Haskell masu alaƙa da Nau'in Bayanan Lambobi

Haskell yana da babban madaidaicin ɗakin karatu wanda ke ba da ayyuka masu amfani da yawa. The Bayanai.Kafaffen module yana ba da ayyuka don ƙididdiga ƙayyadaddun wuri. Tsarin Data.Ratio yana ba da ayyuka don lissafin ma'ana.

Kowane ɗayan waɗannan nau'ikan da ɗakunan karatu suna ba da gudummawa sosai ga fa'idar shirye-shiryen Haskell. Suna ƙyale masu haɓakawa su aiwatar da daidaitattun ayyuka na tushen a cikin sauƙi kuma mafi inganci.

Fahimtar yadda ake canza lambobi masu iyo zuwa nau'ikan lamba wani muhimmin bangare ne na shirye-shiryen Haskell. Kewaya wannan fannin yadda ya kamata na iya haifar da ƙari m da tasiri shirye-shirye mafita, a fadin ayyuka da dama.