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Dasar Rust: variabel (let, mut), tipe primitif, fungsi, modul
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Ownership: move semantics, borrowing, referensi (&, &mut), lifetimes
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Aturan borrowing: satu &mut ATAU beberapa &, tanpa dangling references
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Structs, enums, pattern matching, dan destructuring
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Traits: definisi, implementasi, trait bounds, derive macros
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Generics: fungsi generic, structs, enums dengan trait bounds
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Lifetimes: anotasi ('a), lifetime elision, static lifetime
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Penanganan error: Result<T, E>, Option<T>, operator ?, panic vs Result
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Collections: Vec, HashMap, HashSet, iterator dan metode (map, filter, collect)
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Iterator: trait Iterator, evaluasi lazy, combinators, loop for
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Pola ownership: Clone vs Copy, Rc/Arc, RefCell/Mutex untuk interior mutability
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Concurrency: threads, Arc<Mutex<T>>, channels (mpsc), Send/Sync traits
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Async/await: trait Future, async fn, .await, Tokio runtime, async tasks
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Axum/Actix-web: routing, handlers, extractors, middleware, manajemen state
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Database: sqlx (pengecekan waktu kompilasi), Diesel ORM, query async
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Serialisasi: serde (Serialize, Deserialize), JSON, derive macros
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Pengujian: #[test], #[cfg(test)], assert!, integration tests, mocking
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Macros: macro deklaratif (macro_rules!), macro prosedural, derive
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Keamanan memori: tanpa null pointers, tanpa buffer overflows, thread safety
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Performa: zero-cost abstractions, inlining, optimisasi LLVM, profiling
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Cargo: dependensi (Cargo.toml), features, workspaces, build scripts
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Deployment: cross-compilation, Docker, binary statis, release profiles