fn sum(x: []i32) -> i32
{
	var total = 0;
	var i = 0;
	{
		if i == |x|
			goto return;
		total = total + x[i];
		i = i + 1;
		loop;
	}
	return: total
}

fn main() -> i32
{
	var x: []i32 = [50, 150];
	var y = sum(x);
	return: y
}