// string3.rs
fn main() {
    let multilingual = "Hi! ¡Hola! привет!";
    for ch in multilingual.chars() {
        print!("'{}' ", ch);
    }
    println!("");
    println!("len {}", multilingual.len());
    println!("count {}", multilingual.chars().count());

    let maybe = multilingual.find('п');
    if maybe.is_some() {
        let hi = &multilingual[maybe.unwrap()..];
        println!("Russian hi {}", hi);
    }
    let s = "¡";
    println!("{}", &s[0..0]); <-- bad, first byte of a multibyte character

}
// 'H' 'i' '!' ' ' '¡' 'H' 'o' 'l' 'a' '!' ' ' 'п' 'р' 'и' 'в' 'е' 'т' '!'
// len 25
// count 18
// Russian hi привет!