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Top 10 sets
Beginner
1. What is Rust?
Rust is a systems programming language focused on performance, safety, and concurrency without using a garbage collector.
Beginner
2. What makes Rust memory safe?
Rust uses ownership, borrowing, and lifetimes to manage memory safely at compile time.
Beginner
3. What is ownership in Rust?
Ownership is Rust’s core concept where each value has a single owner responsible for its memory.
Beginner
4. What is borrowing?
Borrowing allows referencing data without taking ownership using & (reference).
Beginner
5. What are mutable and immutable variables?
Variables are immutable by default. Use mut keyword to make them mutable.
Beginner
6. What is Cargo?
Cargo is Rust’s build system and package manager used for dependency management and compiling.
Beginner
7. What are lifetimes?
Lifetimes define how long references are valid to prevent dangling references.
Beginner
8. What is pattern matching?
Pattern matching using match allows checking values against patterns.
Beginner
9. What is Option type?
Answer Here
Beginner
10. What is Result type?
Answer Here
Intermediate
11. What is a trait?
Traits define shared behavior that types can implement.
Intermediate
12. What is a struct?
A struct is a custom data type grouping related data.
Intermediate
13. What is enum?
Enum defines a type that can have multiple variants.
Intermediate
14. What is concurrency in Rust?
Rust supports safe concurrency using threads and ownership rules.
Intermediate
15. What is Box?
Box allocates data on the heap.
Intermediate
16. What is Rc?
Rc enables reference counting for shared ownership.
Intermediate
17. What is Arc?
Arc is atomic reference counting for multi-threaded scenarios.
Intermediate
18. What is Vec?
Vec is a growable array stored on heap.
Intermediate
19. What is slice?
Slice references a portion of a collection (&[T]).
Intermediate
20. What is error handling in Rust?
Rust handles errors using Result, Option, and panic macros.
Advanced
21. What are macros?
Macros generate code at compile time.
Advanced
22. What is unsafe Rust?
Unsafe allows bypassing some safety checks for low-level operations.
Advanced
23. What is async/await?
Async/await enables asynchronous programming in Rust.
Advanced
24. What is lifetime annotation?
Explicit lifetime annotations define how long references live.
Advanced
25. What is Zero-cost abstraction?
Rust abstractions have no runtime overhead.