Hello World

Print text to the standard output with println! macro.

Difficulty

Beginner

Code

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

Explanation

println! is a macro that prints to standard output. Every Rust program starts with a main function.

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

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