{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"//"}]}
// `items`, e.g. when calling `some_vec.extend_unord(some_unord_items)`.
// `Extend`, otherwise this impl would leak the internal iteration order of
impl<C: Extend<T> + UnordCollection, T> ExtendUnord<T> for C {