An warware: baya don madauki

Aiwatar da juyawa don madaukai wani muhimmin al'amari ne na kowane harshe na shirye-shirye, gami da Tsatsa, samar da ingantattun mafita ga lokuta daban-daban na amfani da kuma samar da haษ“akar lambar inganci.

A cikin wannan labarin, za mu bincika yadda ake aiwatar da juzu'i don madauki a cikin Rust, bincika hanyoyin magance matsalar, fahimtar matakin mataki-mataki, tattauna ษ—akunan karatu da halaye masu dacewa, da ฦ™ari mai yawa.

Kara karantawa

An warware: yadda ake duba nau'in ma'auni

Tsatsa, yaren tsara tsarin tsarin da ke mai da hankali kan saurin, amincin ฦ™waฦ™walwar ajiya, da daidaito, yana ba masu haษ“aka hanyoyi daban-daban don sarrafa da bincika ฦ™ima tare da nau'ikan masu canji daban-daban. ฦŠayan irin wannan hanya ita ce ta bincika nau'in ฦ™imar a lokacin aiki.

![Tsarin Tsatsa](https://source.unsplash.com/random)

Kara karantawa

An warware: yadda ake fidda kirtani

Tsatsa, yaren shirye-shiryen tsarin multiparadigm, yana zama makawa a fagage da yawa. Mayar da hankali ga aiki, daidaitawa, da amincin ฦ™waฦ™walwar ajiya sun sanya shi ษ—aya daga cikin shahararrun zaษ“uษ“ษ“uka don yawancin masu haษ“akawa. ฦŠaya daga cikin shari'ar amfani gama gari a cikin Rust, da kuma a cikin shirye-shirye gabaษ—aya, shine firikwensin kirtani. Tsarin lissafin kirtani a cikin Rust na iya ษ—an bambanta da abin da muka saba da shi a cikin wasu harsuna saboda amincin sa da damuwa.

Kara karantawa

An warware: fama log keybind

Ana neman haษ“aka makullin log ษ—in yaฦ™inku? Bincika jagoranmu akan mafi kyawun maษ“alli don Duniyar Warcraft!

An warware: duba idan an saita hujja

Yin hulษ—a da muhawara a cikin Rust wani muhimmin sashi ne na shirye-shirye a cikin wannan harshe mai ฦ™arfi, babba. Ya ฦ™unshi fahimtar tsari da aikin Rust, da kuma yadda ake amfani da fasalinsa yadda ya kamata don samar da ingantacciyar lamba da inganci. Samun damar bincika idan an saita hujja, musamman, wani yanki ne na asali na shirye-shiryen Rust.

Kara karantawa

An warware: tsara wani vec

Tsatsa, yaren shirye-shiryen tsarin tsari da yawa, wanda aka gina don samar da ingantaccen ฦ™waฦ™walwar ajiya yayin kiyaye saurin, shine batun nutsewar mu a yau. Musamman, za mu tattauna dalla-dalla yadda za a warware vector na lambobi masu iyo (f32) a cikin Rust. Ba za a iya wuce gona da iri kan larura da fa'idar rarrabuwar bayanai ba saboda tana taka muhimmiyar rawa a aikace-aikace daban-daban, kama daga bayanan bayanai da kididdiga zuwa ka'idar lissafi. Rarraba bayanai yana da mahimmanci a fasahar kwamfuta, ko kuna tace imel ษ—inku ko neman hanya mafi sauri zuwa gida daga aiki.

Kara karantawa

An warware: ฦ™amus

A matsayina na mai haษ“aka Rust kuma ฦ™wararriyar salon sayayya, Na zo nan don in yi muku jagora akan ฦ™irฦ™ira, amfani, da haษ“aka ฦ™amus a cikin harshen shirye-shiryen Rust da yadda waษ—annan ra'ayoyin za su iya kasancewa da alaฦ™a da salon salo da yanayin.

Kamar yadda salon ba'a iyakance ga tufafi ba amma kuma ya haษ—a da salo, launuka, da abubuwan da ke faruwa, haka ma, shirye-shirye a cikin Rust ba'a iyakance ga madaukai da ayyuka ba. Madadin haka, ingantaccen tsarin bayanai kamar ฦ™amus yana da matuฦ™ar mahimmanci. A cikin sassan da ke gaba, za mu zurfafa cikin wannan batu kuma mu fahimci aikace-aikacensa.

Kara karantawa

An warware: ฦ™irฦ™irar babban fayil

Tabbas, a nan za mu tafi!

Tsatsa shine yaren shirye-shiryen tsarin multiparadigm wanda aka mayar da hankali kan aiki da aminci, musamman amintaccen haษ—in gwiwa. ฦ˜irar sa yana sa ya zama mai amfani ga abubuwa da yawa, amma ya dace sosai don ayyukan tsarin da aka rubuta a C ko C++. A yau, zan tattauna hanyar ฦ™irฦ™irar babban fayil a cikin Rust.

ฦ˜irฦ™irar babban fayil aiki ne mai sauฦ™i a cikin Tsatsa wanda za'a iya samu ta amfani da daidaitaccen tsarin tsarin fayil ษ—in ษ—akin karatu, musamman aikin `create_dir_all`.

**Aiki:** std:: fs:: halitta_dir_all

Wannan aikin yana ฦ™irฦ™ira kai-tsaye da duk abubuwan haษ—in mahaifansa idan sun ษ“ace.

amfani da std::fs;

fn main () -> std:: io:: sakamako <()> {
fs :: ฦ™irฦ™irar_dir_all ("/ wasu / hanya")?;
Ko(())
}

Bari mu rarraba lambar mataki-mataki.

Layin farko `amfani std :: fs;` yana shigo da tsarin tsarin fayil daga daidaitaccen ษ—akin karatu na Rust. Wannan tsarin ya ฦ™unshi ayyuka da yawa don mu'amala da tsarin fayil, gami da ฦ™irฦ™ira da share kundayen adireshi, karantawa da rubuta fayiloli, da karanta metadata.

An bayyana aikin 'babban' tare da 'fn main() -> std:: io:: sakamako <()>'. Wannan wuri ne na musamman don shirin Tsatsa. Nau'in dawowa anan, `std :: io :: Sakamako <()>`, Rust enum ne wanda ke wakiltar ko dai nasara (`Ok`) ko gazawa (`Err`).

Layi na gaba fs :: ฦ™irฦ™irar_dir_all ("/ wasu / hanya")?; shine inda ainihin kundin kundin adireshi ya faru. Aikin `create_dir_all` yana ษ—aukar hanyar fayil kuma yana ฦ™oฦ™arin ฦ™irฦ™irar shi. Hakanan zai ฦ™irฦ™iri duk kundayen adireshi na iyaye da suka ษ“ace. Mai aiki na `?` yana yada duk wani kurakurai da suka faru yayin ฦ™irฦ™irar kundin adireshi, yana sa aikin ya dawo da wuri tare da ฦ™imar kuskure.

A ฦ™arshe, Ok()) ana dawowa don nuna rashin kurakurai yayin aiwatarwa.

Kara karantawa

An warware: eq don enums

Tabbas! Mu je. Ka tuna cewa Rust harshe ne da aka tsara don aiki da aminci, musamman amintaccen daidaituwa. Yana da tsari mai sarฦ™aฦ™ฦ™iya don sarrafa enums, wanda zai iya zama kamar mai ban tsoro da farko.

Reddit yana da magana mai ban sha'awa, "Tsatsa harshe ne da ke yaฦ™ar ku, amma ba koyaushe tare da ku ba." Enums yawanci wuri ne na takara tare da masu haษ“akawa da yawa. Amma da zarar an ฦ™ware, enums suna kawo ฦ™arfi da sassauci ga lambar ku.

Kara karantawa