{"ast_node_type":"variable","tokens":[{"end":71,"kind":"keyword","start":0,"text":"let"}]}
            let present_idx = self.len.fetch_add(1, Ordering::Relaxed);
        if slot_idx.put(&self.buckets, value, index.index() as u32) {
            let slot = SlotIndex::from_index(present_idx as u32);