gistfile1.txt

fn rv(head: Option<~Node>) -> Option<~Node>{
	let mut return_head = None;
	let mut current_head = head;
	loop {
		match current_head.take() {
			Some(node) => {
				let mut node = node; //make the node usable
				current_head = node.next.take();
				node.next = return_head;
				return_head = Some(node);				
			}, 
			None => {
				break;
			}
		}
	}	
	return_head
}