Rust Brain Teasers

Puzzle 5

How Long Is a String?

string_length/src/main.rs

const HELLO_WORLD : &'static str = "Halló heimur";

fn main() {
    println!("{} is {} characters long.",
        HELLO_WORLD,
        HELLO_WORLD.len()
    );
}

Guess the Output
	Try to guess what the output is before moving to the next page.

The program will display the following output:

Halló heimur is 13 characters long.

Discussion

Your eyes aren’t deceiving you—“Halló heimur”, contains ...