AI Interview

Rust Interview - Intermediate Level

For developers with 2-4 years of Rust experience. Master lifetimes, traits, iterators, concurrency, and idiomatic Rust patterns.

25-30 minutes

2-4 years of Rust experience

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Who is this for?

  • Mid-level Rust developers

  • Systems programmers with Rust experience

  • Backend engineers using Rust

  • Those preparing for mid-senior Rust roles

What you'll practice

  • Working with lifetime annotations

  • Implementing traits

  • Using iterators functionally

  • Working with smart pointers

  • Concurrency with threads and channels

  • Writing idiomatic Rust

Topics covered

Lifetimes

  • Lifetime annotations

  • Multiple lifetimes

  • Lifetime elision

  • Static lifetime

Traits

  • Trait definitions

  • Trait bounds

  • Trait objects

  • Associated types

Smart Pointers

  • Box, Rc, Arc

  • RefCell and interior mutability

  • Weak references

  • Deref trait

Concurrency

  • Threads

  • Channels (mpsc)

  • Arc and Mutex

  • Send and Sync traits

Example questions

Q:

How do lifetime annotations work in Rust?

Q:

What is the difference between Rc and Arc?

Q:

How do you implement a trait?

Q:

What is interior mutability and when do you use RefCell?

Q:

How does Rust achieve thread safety?

Q:

What are the Send and Sync traits?

Preparation tips

  • Master lifetime syntax

  • Practice implementing traits

  • Understand smart pointers

  • Learn concurrency patterns

  • Study iterators deeply

  • Write idiomatic Rust code

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