Method len

perro_source/runtime_project/perro_runtime/src/cns/node_arena.rs:443–445

Return the number of live nodes.

(&self)

        self.unindex_name(&old, id);
        if !name.is_empty() {
            self.name_index.entry(name).or_default().push(id);
        }
        true
    }

    fn unindex_name(&mut self, name: &str, id: NodeID) {