Constants and Static

Difference between const and static variables in Rust.

Difficulty

Beginner

Code

const MAX_POINTS: u32 = 100_000;
static LANGUAGE: &str = "Rust";

fn main() {
    println!("Max points: {}", MAX_POINTS);
    println!("Language: {}", LANGUAGE);
}

Explanation

const is compile-time evaluated. static has fixed memory address and lives for the program duration.

Key Concepts

• Read the code carefully and understand the data flow
• Try modifying the example to see how it changes behavior
• Run this code in the Rust Playground

Related Topics

Browse more examples in the basics category to build a complete understanding of this topic.