Hello World

Print text to the standard output with println! macro.

Difficulty

Beginner

Code

fn main() {
    println!("Hello, world!");
}

Explanation

This example demonstrates how to use hello world in Rust. Read the code carefully to understand the flow. Pay attention to where values are created, borrowed, moved, or consumed.

Key Concepts

• Rust's strong type system catches errors at compile time
• Ownership and borrowing rules ensure memory safety
• Pattern matching makes code expressive and exhaustive

Related Topics

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