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Pretty Please - Print

// Print

fn main() {
    let doesnt_print = ();
    println!("This will not print: {}", doesnt_print); // ⚠️
}

Pretty Print

// Pretty Print

fn main() {
    let doesnt_print = ();
    println!("This will print: {:#?}", doesnt_print); // ⚠️
}

What is the output of this?

// Print Space

fn main() {
    let doesnt_print = ' ';
    println!("This will not print: {}", doesnt_print); // ⚠️
}

// Pretty Print Space

fn main() {
    let doesnt_print = ' ';
    println!("This will print: {:#?}", doesnt_print); // ⚠️
}
````<span id='footer-class'>Ver 2.0.0</span>
<footer id="last-change">Last change: 2026-01-19</footer>````