<\/span><\/h4>\r\n\r\n\r\n\r\n\u015eehir isimleri uygulamas\u0131 yapal\u0131m hemen. Python dilinden a\u015fina oldu\u011fum yap\u0131 swift\u2019te de mevcuttu. \u00d6ncelikle yeni bir sehirler dizisi olu\u015fturdum, for d\u00f6ng\u00fcs\u00fcyle index\u2019i al\u0131p sehirler dizindeki index indisini b\u00fcy\u00fct\u00fcp atad\u0131m. Klasik basit bir dizi ve d\u00f6ng\u00fc diyebiliriz. Hi\u00e7 sorun yok de\u011fil mi? Evet yok \ud83d\ude42 Ama daha kolayla\u015ft\u0131rabilece\u011fiz ileride.<\/p>\r\n\r\n\r\n\r\n![\"\"](\"https:\/\/i0.wp.com\/furkansandal.com\/wp-content\/uploads\/2020\/09\/image-4.png?resize=1024%2C761&ssl=1\")
\r\nSwift array – dizi b\u00fcy\u00fctmek<\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\n<\/span>Hadi k\u0131saltal\u0131m :Map v1.0<\/span><\/h4>\r\n\r\n\r\n\r\n\r\n- Map en \u00e7ok kullan\u0131lan fonksiyonlardan birisi, k\u0131sac\u0131k \ud83d\ude42\u00a0<\/li>\r\n
- Map ile flatmap fark\u0131 \u00e7ok boyutlu nil de\u011ferine g\u00f6re i\u015flem yap\u0131lmas\u0131 bunu uygulamalar\u0131 olarak anlataca\u011f\u0131m.<\/li>\r\n
- \u015eimdi normal for d\u00f6ng\u00fcs\u00fcyle yapt\u0131\u011f\u0131m\u0131z i\u015flemi Map ile yapal\u0131m. G\u00f6rseli incelemeye ba\u015flamadan s\u00f6yleyim, $0 t\u00fcm elemanlar\u0131 geziyor.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
![\"\"](\"https:\/\/i0.wp.com\/furkansandal.com\/wp-content\/uploads\/2020\/09\/image-5.png?resize=1024%2C668&ssl=1\")
\r\nMap ile dizi i\u015flemleri<\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\n![\"\"](\"https:\/\/i0.wp.com\/furkansandal.com\/wp-content\/uploads\/2020\/09\/image-6.png?resize=1024%2C525&ssl=1\")
\r\nSwift map<\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\nSadece yazd\u0131rmak veya fonksiyon i\u00e7erisinde kullanmak isterseniz yukar\u0131daki gibi yapabilirsiniz. G\u00f6rselleri \u00f6nceden haz\u0131rlad\u0131\u011f\u0131m i\u00e7in var’\u0131 let yapabilirsiniz \ud83d\ude42 2 sat\u0131rda bu i\u015flemi yapabiliriz.<\/p>\r\n\r\n\r\n\r\n
<\/span>Hadi karma\u015f\u0131k i\u015flere girelim yava\u015ftan: Flatmap v1.1<\/span><\/h4>\r\n\r\n\r\n\r\n\r\n- Matris yap\u0131s\u0131nda olan dizimiz varsa, yani dizi i\u00e7erisinde dizi varsa bunlar\u0131n birle\u015ftirilmesinden sorumludur arkada\u015f\u0131m\u0131z.<\/li>\r\n
- Kendisini ve \u00fcst\u00fcn g\u00f6revinden \u00f6t\u00fcr\u00fc te\u015fekk\u00fcr ediyoruz \ud83d\ude42 Sonu\u00e7ta d\u00f6ng\u00fclerden kurtuluyoruz.<\/li>\r\n
- Hadi \u00f6rne\u011fimize ge\u00e7elim.<\/li>\r\n
- \u00c7orumlu de\u011filim g\u00f6rsellerdeki \u00c7orum’un benimle ba\u011f\u0131 yok \ud83d\ude42<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
![\"\"](\"https:\/\/i0.wp.com\/furkansandal.com\/wp-content\/uploads\/2020\/09\/image-7.png?resize=1024%2C540&ssl=1\")
\r\nSwift flatmap<\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\nAma bir sorun var de\u011fil mi? Evet evet var, nil de\u011ferler bizim i\u00e7in \u015fuan sorun te\u015fkil ediyor. Hadi bunlardan kurtulal\u0131m. Ama bunun i\u00e7in 3.fonksiyonumuz devreye giriyor, Compactmap.<\/p>\r\n\r\n\r\n\r\n
<\/span>Yok et (nil) : CompactMap v1.2<\/span><\/h4>\r\n\r\n\r\n\r\n\r\n- Compactmap map i\u00e7in nil ve olmayan de\u011ferlerini yok sayar ve yeni i\u015flemi tamamlar. Ama map gibi i\u00e7erisinde print kullanam\u0131yoruz.<\/li>\r\n
- G\u00f6rseldeki gibi dizinin 3.indisinde bulunan nil de\u011feri art\u0131k yok. Yaz\u0131lmad\u0131 bile. \ud83d\ude42<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
![\"\"](\"https:\/\/i0.wp.com\/furkansandal.com\/wp-content\/uploads\/2020\/09\/image-9.png?resize=1024%2C597&ssl=1\")
\r\nSwift compactmap<\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\n<\/span>Birle\u015ftir ve Yok et: Compactmap + Flatmap v1.3<\/span><\/h4>\r\n\r\n\r\n\r\nHer ikisinin birbirinden farkl\u0131 \u00f6zelli\u011fi var. \u015eimdi bu ihtiya\u00e7lar\u0131m\u0131za g\u00f6re dizilerimizi birle\u015ftirip olmayan de\u011ferleri aradan \u00e7\u0131kartal\u0131m.<\/p>\r\n\r\n\r\n\r\n
Hem birle\u015ftirdik hem birle\u015ftirdik hem nil de\u011ferleri yok ettik \ud83d\ude42<\/p>\r\n\r\n\r\n\r\n![\"\"](\"https:\/\/i0.wp.com\/furkansandal.com\/wp-content\/uploads\/2020\/09\/image-10.png?resize=1024%2C709&ssl=1\")
\r\nSwift compact map flatmap<\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\n<\/span>Filtreleyelim : Filter v2.0<\/span><\/h4>\r\n\r\n\r\n\r\n\r\n- Filter fonksiyonu ile ko\u015fulumuza uyanlar\u0131 al\u0131r\u0131z. Mesela say\u0131lar\u0131 mod’una g\u00f6re alabiliriz, stringleri i\u00e7erdi\u011fi kelimelere g\u00f6re filtreleyebiliriz. Hadi yapal\u0131m.<\/li>\r\n
- Karakter say\u0131s\u0131 5 ten b\u00fcy\u00fck olan ve N harfi i\u00e7eren \u015fehirleri listeledik.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
![\"\"](\"https:\/\/i0.wp.com\/furkansandal.com\/wp-content\/uploads\/2020\/09\/image-11.png?resize=1024%2C597&ssl=1\")
\r\nSwift filter kullan\u0131m\u0131<\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\n<\/span>Tek par\u00e7a yapal\u0131m aslan\u0131m: Reduce v2.1<\/span><\/h4>\r\n\r\n\r\n\r\n\r\n- Reduce fonksiyonu elimizdeki dizinin elemanlar\u0131n\u0131 tek bir veri olarak d\u00f6nd\u00fcr\u00fcr. Mesela integer dizisiyse hepsini toplayabiliriz.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
![\"\"](\"https:\/\/i0.wp.com\/furkansandal.com\/wp-content\/uploads\/2020\/09\/image-12.png?resize=1024%2C562&ssl=1\")
\r\nSwift reduce kullan\u0131m\u0131<\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\nBasit ama \u00e7ok kullan\u0131\u015fl\u0131 fonksiyonlar\u0131 g\u00f6rm\u00fc\u015f oldunuz \ud83d\ude42 Tak\u0131ld\u0131\u011f\u0131n\u0131z ve merak etti\u011finiz herhangi bir yerde yorum atabilirsiniz \ud83d\ude42<\/p>\r\n\r\n\r\n","protected":false},"excerpt":{"rendered":"
Selamlar, Y\u00fcksek mertebeli olan Map, Flatmap, Compactmap, Filter ve Reduce i\u015flemleri nedir? Nerelerde kullan\u0131l\u0131r? Bunlar\u0131 sizlere g\u00fczel bir \u015fekilde anlatmay\u0131…<\/p>\n","protected":false},"author":1,"featured_media":3517,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","footnotes":""},"categories":[1,160,232,155],"tags":[],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/furkansandal.com\/wp-content\/uploads\/2020\/09\/swift-flatmap-compactmap.jpg?fit=1200%2C628&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6BM7I-Ux","amp_enabled":true,"_links":{"self":[{"href":"https:\/\/furkansandal.com\/wp-json\/wp\/v2\/posts\/3505"}],"collection":[{"href":"https:\/\/furkansandal.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/furkansandal.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/furkansandal.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/furkansandal.com\/wp-json\/wp\/v2\/comments?post=3505"}],"version-history":[{"count":4,"href":"https:\/\/furkansandal.com\/wp-json\/wp\/v2\/posts\/3505\/revisions"}],"predecessor-version":[{"id":3678,"href":"https:\/\/furkansandal.com\/wp-json\/wp\/v2\/posts\/3505\/revisions\/3678"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/furkansandal.com\/wp-json\/wp\/v2\/media\/3517"}],"wp:attachment":[{"href":"https:\/\/furkansandal.com\/wp-json\/wp\/v2\/media?parent=3505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/furkansandal.com\/wp-json\/wp\/v2\/categories?post=3505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/furkansandal.com\/wp-json\/wp\/v2\/tags?post=3505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}