/*
 * Currently the compilation process requires a bit of manual intervention.
 * For this particular example, run something like this from the root dir:
 *
 *	./fwd examples/fib.fwd > /tmp/fib.c
 *	gcc -Lmod -Iinclude -Ilib -Wl,-rpath=mod -O2 /tmp/fib.c -lfwdio -o /tmp/fib
 *	/tmp/fib
 *
 */

/* modules are just libraries that can be loaded at runtime */
import "../mod/libfwdio.so"

fib(i64 n, (i64) res)
{
	if n < 2 {
		res(1);
	} else {
		fib(n - 1) => i64 f1;
		fib(n - 2) => i64 f2;
		res(f1 + f2);
	}
}

main()
{
	fib(42) => i64 n;
	print_i64(n);
	print_nl();
}