Rust 1.41.0

# if

There is a new edition of the book and this is an old link.

> An `if` expression allows us to branch our code depending on conditions.

    fn main() {
        let number = 3;

        if number < 5 {
            println!("condition was true");
        } else {
            println!("condition was false");
        }
    }Run

You can find the latest version of this information here.