use super::linked_list::*;
impl<T: std::fmt::Display> std::fmt::Display for LinkedList<T> {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::result::Result<(), std::fmt::Error> {
write!(f, "HEAD ->")?;
for element in (*self).iter() {
write!(f, " {} ->", *element)?;
}
write!(f, " None")?;
Ok(())
}
}