Hands-on Rust: Beta 2 - Trimming Input (page 25)

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I see how this errata happened now, the book has the main function on p. 24 as:

fn main() {
println!("Hello, what's your name?");
println!("Hello, {}", what_is_your_name())
}

But the online code example throws the function output into a variable:

fn main() {
    println!("Hello, what's your name?");
    let name = what_is_your_name();
    println!("{:?}", name);
}