{"ast_node_type":"other","tokens":[{"end":9,"kind":"keyword","start":0,"text":"///"}]}
/// work.
/// must have been sorted as if by a call to `sort_by_key` for this to
pub fn binary_search_slice<'d, E, K>(data: &'d [E], key_fn: impl Fn(&E) -> K, key: &K) -> &'d [E]