Getting Started

Question 1

What is the command line tool used to install Rust?

Answer 1

rustup

Question 2

What is the command to update rustup?

Answer 2

rustup update

Question 3

Check the current installed version of Rust.

Answer 3

rustc –version

Question 4

Open the offline rust documentation from the command line.

Answer 4

rustup doc

Question 5

What is the command to automatically format Rust code?

Answer 5

rustfmt

Question 6

The ‘main’ function is special. Why?

Answer 6

It is always the first code that runs in every executable Rust program.

Question 7

Automatically fix rust compiler errors.

Answer 7

rustfix using cargo fix

Question 8

The Clippy tool is a collection of lints to analyze your code so you can catch common mistakes and improve your Rust code.

How do you install Clippy?

Answer 8

rustup component add clippy

then enter: cargo clippy