Rust – Index

Welcome to the complete Rust resource centre. Refresh the essentials first, then grind the placement tracks.

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Revision Guide

Interview-focused revision of everything you need — from ownership to async.

• Part 1: Ownership, Borrowing & Lifetimes Ownership rules, borrowing, references, and lifetimes.
• Part 2: Enums, Options, Structs & Pattern Matching Enums, Option/Result, structs, and match.
• Part 3: Traits, Generics & Smart Pointers Traits, generics, Box/Rc/Arc, and trait objects.
• Part 4: Collections, Strings & Error Handling Vec, HashMap, String vs str, and ? operator.
• Part 5: Concurrency, Closures & Top Gotchas Threads, Send/Sync, closures, and the gotcha sheet.

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Top 10 Questions

• Top 10 Rust Questions - Part 1 The 10 most frequently asked Rust placement questions.

Top 25 Questions

• Top 25 - Part 1 First 15 of the top 25 Rust placement questions.
• Top 25 - Part 2 Remaining 10 of the top 25 Rust questions.

Top 50 Questions

• Top 50 - Part 1 First 15 of the most asked Rust questions.
• Top 50 - Part 2 Middle 15 of the top 50 Rust questions.
• Top 50 - Part 3 Final 20 advanced Rust questions.

Output Questions

• Output Questions - Part 1 Predict-the-output Rust puzzles.
• Output Questions - Part 2 More Rust predict-the-output puzzles.

Comparison Questions

• Comparison Questions - Part 1 Rust comparison puzzles.
• Comparison Questions - Part 2 More Rust comparison puzzles.

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Section-wise Q&A

• 1. Ownership & Borrowing Ownership, borrowing, and reference rules.
• 2. Smart Pointers Box, Rc, Arc, RefCell, and deref.
• 3. Traits & Generics Trait bounds and generic types.
• 4. Concurrency & Async Threads, Send/Sync, and async.
• 5. Strings & Collections String vs str, Vec, HashMap, and iterators.
• 6. Error Handling Result, Option, and the ? operator.
• 7. Modules & Tooling Modules, cargo, and the toolchain.