{"ast_node_type":"other","tokens":[{"end":13,"kind":"keyword","start":0,"text":"#[inline]"}]}
    #[inline]
impl<'a, T: Copy + 'a, I: Iterator<Item = &'a T>> UnordItems<&'a T, I> {
    pub fn copied(self) -> UnordItems<T, impl Iterator<Item = T>> {