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); // ⚠️
}