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The Ultimate Guide to Rust Programming

Hello If

Explore using if statements in Rust to write conditional logic. Understand how boolean values control code execution, how to nest conditionals, and why if blocks must return unit type. Practice these concepts to manage decision-making in Rust programs effectively.

We'll cover the following...

Now that we’re comfortable with Booleans, we’re ready to jump into conditionals. The term conditional refers to making decisions in your program on what to do. In other words, you’ll do something conditionally based on some value. The most common word used for this in programming is if. If something is true, then do something else.

Let’s dive right in with an example:

Rust 1.40.0
fn main() {
    let is_hot = true;
    if is_hot {
        println!("It's hot!");
    }
}

We ...