fizzbuzz.rs

// the various moudules im going to use
use std::int;
use std::io;

// see comment for bang but 3
fn fizz(i: int) -> bool {
    i % 3 == 0
}

// function using an implicit return to evaluate divisibility by 5
fn bang(i: int) -> bool {
    i % 5 == 0
}

// main function aka entry point
fn main() {
    // iterate a range, assigning each iter to num
    for int::range(1, 101) |num| {
        // print a line...
        io::println(
            // match a tuple (match is kinda like C-switch)
            match (fizz(num), bang(num)) { 
                (true, true)    => ~"FizzBuzz",
                (true, false)   => ~"Fizz",
                (false, true)   => ~"Buzz",
                _               => fmt!("%d", num) /*  could have matched 
                                                        w/(false, false), _ is all */
            }
        );
    }
}