main.rs

struct FizzBuzzinificationator {
    vals: std::iter::Range<int>
}

impl FizzBuzzinificationator {
    fn fizzbuzzmaybe (&self, x: int) -> &'static str {
        if x % 3i == 0i && x % 5i == 0i { "FizzBuzz" }
        else if x % 3i == 0i { "Fizz" }
        else if x % 5i == 0i { "Buzz" }
        else { "" }
    }

    fn do_the_needful(&self) {
        let mut vals = self.vals;
        for i in vals {
            let result: &str = self.fizzbuzzmaybe(i);
            if result == "" { continue; };
            println!("{} {}", i, result)
        }
    }
}

fn main() {
    let fbi: FizzBuzzinificationator = FizzBuzzinificationator {
        vals: range(0i, 100i)
    };
    fbi.do_the_needful()
}