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//
// Rust(러스트): FizzBuzz 예제
// 출처: http://www.rosettacode.org/
//
use std::fmt::Write;
fn fizzbuzz() -> String {
(1..=100).fold(String::new(), |mut output, x| {
let fizz = if x % 3 == 0 { "fizz" } else { "" };
let buzz = if x % 5 == 0 { "buzz" } else { "" };
if fizz.len() + buzz.len() != 0 {
output + fizz + buzz + "\n"
} else {
write!(&mut output, "{}", x).unwrap();
output + "\n"
}
})
}
fn main() {
println!("{}", fizzbuzz());
}
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