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sahibidir",{"key":202,"text":203},"c","Hata E0382: `s`, `t`'ye taşındı ve sonrasında kullanılıyor",{"key":205,"text":206},"d","Derlenir, `hi`'yi bir kez basar; atamadan sonra `s` boşalır","`String` bir heap tamponuna sahiptir ve `Copy` değildir; `let t = s` sahipliği `t`'ye taşır. Derleyici sonraki `s` okumasını E0382 (borrow of moved value) ile reddeder. Hiçbir şey kopyalanmaz, `s` boşalmaz; sadece artık kullanılamaz.",{"id":209,"topic":9,"difficulty":192,"body":210,"options":211,"correct_key":196,"explanation":220},"01a0608e-d30d-77db-96e2-4eae6cd92542","```rust\nfn main() {\n    let a = 5;\n    let b = a;\n    println!(\"{} {}\", a, b);\n}\n```\nNe olur?",[212,214,216,218],{"key":196,"text":213},"Derlenir ve `5 5` basar; `i32` `Copy`'dir, `b = a` sonrası `a` geçerli kalır",{"key":199,"text":215},"Hata E0382; `a`, tıpkı bir `String` bağlaması gibi `b`'ye move edilir",{"key":202,"text":217},"`5 5` basar ama sadece derleyici sabiti katladığı için; runtime değeri move edilirdi",{"key":205,"text":219},"Hata E0502; `println!` bir ödünç daha isterken `b`, `a`'nın shared ödüncünü tutuyor","Tamsayı tipleri `Copy` uygular; atama bitleri kopyalar ve iki bağlama da kullanılabilir kalır. Değerin sabit ya da runtime'da hesaplanmış olması fark etmez; kural yalnızca tipe bağlıdır.",{"id":222,"topic":9,"difficulty":223,"body":224,"options":225,"correct_key":205,"explanation":234},"01a0608e-d30e-7675-8bd3-875d559a24c0",2,"```rust\nfn consume(s: String) -> usize {\n    s.len()\n}\n\nfn main() {\n    let s = String::from(\"hello\");\n    let n = consume(s);\n    println!(\"{} {}\", n, s);\n}\n```\nDerleyici ne der ve callee string'i yalnızca okuyacaksa idiomatik düzeltme nedir?",[226,228,230,232],{"key":196,"text":227},"`5 hello` basar; argümanlar pointer kopyası olarak geçer, `s`'ye dokunulmaz",{"key":199,"text":229},"E0505: `consume`, fonksiyon dönene kadar `s` üzerinde bir ödünç tutar",{"key":202,"text":231},"`5 hello` basar; `consume` bitince sahiplik çağırana otomatik geri döner",{"key":205,"text":233},"`println!`'de E0382; parametreyi `&str` yapıp `consume(&s)` çağır","`String` parametresi sahipliği alır; `consume(s)` `s`'yi move eder ve sonraki `println!` E0382 verir. Fonksiyon değeri döndürmedikçe sahiplik geri gelmez. Ödünç almak (`&str` ya da `&String`) çağıranın `s`'yi kullanmaya devam etmesini sağlar.",{"id":236,"topic":9,"difficulty":192,"body":237,"options":238,"correct_key":199,"explanation":247},"01a0608e-d30f-76f2-ba4f-c74ae94bd06c","```rust\nfn len(s: &String) -> usize {\n    s.len()\n}\n\nfn main() {\n    let s = String::from(\"hello\");\n    let n = len(&s);\n    println!(\"{} {}\", n, s);\n}\n```\nNe basılır?",[239,241,243,245],{"key":196,"text":240},"Hiçbir şey; program `println!` satırında E0382 ile başarısız olur",{"key":199,"text":242},"Derlenir ve `5 hello` basar; `&s` string'i `len`'e yalnızca ödünç verir",{"key":202,"text":244},"`5` ve ardından panic; `len` dönünce ödünç bırakılır ve `s` serbest kalır",{"key":205,"text":246},"Boş string ile `5 `; shared ödünç heap tamponunu geçici olarak taşır","`&s` geçirmek shared bir referans oluşturur; sahiplik `main`'den hiç çıkmaz. `len` dönünce ödünç biter ve `s` tamamen kullanılabilir. Değer ne taşınır ne serbest bırakılır.",{"id":249,"topic":9,"difficulty":223,"body":250,"options":251,"correct_key":205,"explanation":260},"01a0608e-d310-7509-8e96-a3ce3358f632","```rust\nfn add(s: &mut String) {\n    s.push('!');\n}\n\nfn main() {\n    let s = String::from(\"hi\");\n    add(&mut s);\n    println!(\"{}\", s);\n}\n```\nDerleyici ne raporlar?",[252,254,256,258],{"key":196,"text":253},"E0499: `add` ve `println!` aynı anda `s`'nin mutable ödüncünü ister",{"key":199,"text":255},"Derlenir ve `hi!` basar; bağlamayı mutable yapan çağrıdaki `&mut`'tır",{"key":202,"text":257},"E0382: `&mut s` string'i `add`'e move eder, sonraki print taşınmış değeri kullanır",{"key":205,"text":259},"E0596: `s` mutable ödünç alınamaz çünkü bağlama `mut` olarak bildirilmemiş","`&mut s` almak için `s`'nin kendisinin `let mut` ile bildirilmesi gerekir. Derleyici çağrıyı E0596 ile reddeder. Bildirime `mut` eklenince derlenir ve `hi!` basar; mutable ödünç değeri taşımaz.",{"id":262,"topic":9,"difficulty":223,"body":263,"options":264,"correct_key":196,"explanation":273},"01a0608e-d312-74c7-b957-502ace8c852d","```rust\nfn main() {\n    let mut s = String::from(\"hi\");\n    let a = &mut s;\n    let b = &mut s;\n    a.push('a');\n    b.push('b');\n    println!(\"{}\", s);\n}\n```\nNe olur?",[265,267,269,271],{"key":196,"text":266},"E0499: `a` daha sonra hâlâ kullanılırken `b`, `s`'nin ikinci mutable ödüncüdür",{"key":199,"text":268},"Derlenir ve `hiab` basar; art arda kullanıldıkları sürece iki `&mut` sorun değildir",{"key":202,"text":270},"E0502: `a` ve `b` mutable ödünçken `println!` shared ödünç alır",{"key":205,"text":272},"`hib` basar; ikinci `&mut` ilkinin yerini alır","Aynı anda yalnızca bir mutable ödünç canlı olabilir. `b` oluşturulduktan sonra `a` hâlâ kullanılıyor; yani `let b = &mut s` satırında ikisi de canlıdır ve derleyici E0499 verir. `a.push('a')` `let b`'den önce gelseydi ilk ödünç bitmiş olur ve kod derlenirdi.",{"fields":275,"seniorities":495,"interview_shapes":496,"locales":503,"oauth":505,"question_count":508,"coach_enabled":509,"jd_match_enabled":509},[276,288,308,326,350,363,382,401,421,440,455,477],{"key":5,"name_tr":6,"name_en":6,"sort":192,"specializations":277},[278,281,282,283,284,285,286,287],{"key":279,"name":280,"field":5},"general","Genel",{"key":172,"name":173,"field":5},{"key":184,"name":185,"field":5},{"key":175,"name":176,"field":5},{"key":168,"name":169,"field":5},{"key":178,"name":179,"field":5},{"key":181,"name":182,"field":5},{"key":187,"name":188,"field":5},{"key":289,"name_tr":290,"name_en":290,"sort":223,"specializations":291},"frontend","Frontend",[292,293,296,299,302,305],{"key":279,"name":280,"field":289},{"key":294,"name":295,"field":289},"javascript","JavaScript",{"key":297,"name":298,"field":289},"typescript","TypeScript",{"key":300,"name":301,"field":289},"react","React",{"key":303,"name":304,"field":289},"vue","Vue",{"key":306,"name":307,"field":289},"angular","Angular",{"key":309,"name_tr":310,"name_en":310,"sort":311,"specializations":312},"fullstack","Fullstack",3,[313,314,315,316,317,318,319,320,321,322,323,324,325],{"key":279,"name":280,"field":309},{"key":172,"name":173,"field":5},{"key":184,"name":185,"field":5},{"key":175,"name":176,"field":5},{"key":168,"name":169,"field":5},{"key":178,"name":179,"field":5},{"key":181,"name":182,"field":5},{"key":187,"name":188,"field":5},{"key":294,"name":295,"field":289},{"key":297,"name":298,"field":289},{"key":300,"name":301,"field":289},{"key":303,"name":304,"field":289},{"key":306,"name":307,"field":289},{"key":327,"name_tr":328,"name_en":328,"sort":329,"specializations":330},"devops-cloud","DevOps 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