-- Format:
--   status: success
-- Compile:
--   status: success
--
-- Run:
--   status: success
--   stdout: 21

fn fib(x I32) I32 =
    if x < 2 then x
    else fib(x-1) + fib(x - 2)
    end
end

fn main() {} =
    __println(fib(8))
end