Learn problem-solving in Rust by tackling 24 brain-teasing puzzles. Enhance your skills with Rust playground, boost your coding efficiency through Rust practice, and test yourself with a Rust quiz.

Become a Rust Web Developer

In this module, we’ll dive into Rust’s unique features through 24 brain-teasing puzzles and use the Rust playground for hands-on exploration. Each puzzle will be thoroughly explained, helping us improve our understanding of Rust. By the end of the module, we'll be well-prepared to tackle more advanced concepts with enhanced problem-solving skills, thanks to practical Rust experience.

Rust Playground

## Guess the output

Before moving on to the explanation, try to guess the output of the following program. Good luck!

# Guess the output

Before moving on to the explanation, try to guess the output of the following program. Good luck!

Let’s solve this mutability puzzle in Rust.

Puzzles

Conclusion

Puzzle 18: Mutable Immutables

Guess the output