scriptc/tests/corpus/400-fib.ts

function fib(n: number): number {
  if (n < 2) {
    return n;
  }
  return fib(n - 1) + fib(n - 2);
}
for (let i = 0; i < 15; i = i + 1) {
  console.log(fib(i));
}