13 lines
258 B
Rust

// Calculate Fibonacci numbers
fn main() {
for num in 0..=30 {
println!("fib({num}) = {}", fib(num))
}
}
/// Implements the classic recursive definition of fib()
fn fib(a: i64) -> i64 {
if a > 1 { fib(a - 1) + fib(a - 2) } else { a }
}