ref: 4efd6777d6644058c97db129288a4ab48fcfd92d dir: /test/closurerec.myr/
use std const main = { const fib = {n if n <= 0 -> 0 elif n == 1 -> 1 else -> fib(n - 1) + fib(n - 2) ;; } std.exit(fib(8)) }