Koj siv singletons muab lub ntiaj teb nkag mus tau, sib koom piv txwv ntawm chav kawmCov lus txhais no tsis yog tshwj xeeb rau Apple cov ntaub ntawv. Cov kab lus Wikipedia kuv tau txuas rau saum toj no kuj hais tias "Kev ua raws li tus qauv singleton yuav tsum muab kev nkag mus rau thoob ntiaj teb rau qhov piv txwv ntawd. "
Vim li cas singleton siv hauv Swift?
Singleton yog tus qauv tsim tsim, uas ua kom ntseeg tau tias tsuas yog ib qho khoom ntawm nws hom muaj thiab muab ib qho kev nkag mus rau nws rau lwm tus lej. Singleton yuav luag tib qhov zoo thiab qhov tsis zoo raws li kev hloov pauv thoob ntiaj teb. Txawm hais tias lawv ua tau zoo heev, lawv rhuav tshem cov qauv ntawm koj cov cai.
Thaum twg koj yuav tsum tsis txhob siv ib leeg?
Qhov xwm txheej nkaus xwb uas koj yuav tsum xav txog ib leeg yog thaum muaj ntau dua ib qho piv txwv ntawm cov ntaub ntawv thoob ntiaj teb no yuav yog qhov laj thawj lossis kho vajtse yuam kev.
Related Links:
- Brittleness invoked by Ntiaj teb no lub xeev thiab Singletons.
- Txoj Kev Txhawj Xeeb Kom Tsis txhob Singletons.
- Factories thiab Singletons.
Singleton zoo rau dab tsi?
Ib tus singleton yuav tsum tau siv thaum tswj kev nkag mus rau cov peev txheej uas tau muab los ntawm tag nrho daim ntawv thov, thiab nws yuav ua rau muaj kev puas tsuaj rau ntau qhov xwm txheej ntawm tib chav kawm. Ua kom paub tseeb tias kev nkag mus rau kev sib koom cov xov xwm muaj kev nyab xeeb yog ib qho piv txwv zoo heev ntawm qhov chaw zoo li no tuaj yeem yog qhov tseem ceeb.
Is singleton phem Swift?
Singletons tsis yog qhov phem thoob ntiaj teb, tab sis nyob rau ntau lub sijhawm lawv tuaj nrog cov teeb meem uas tuaj yeem zam tau los ntawm kev tsim kom muaj kev sib raug zoo ntawm koj cov khoom thiab siv kev vam khom. txhaj tshuaj.
