pub fn tree_len(tree: &impl TreeStore) -> u64Expand description
Get the number of entries in the tree.
use proc_tree::{DefaultTree, tree_len, TreeStore, PidNode};
let tree = DefaultTree::new(100, 0);
assert_eq!(tree_len(&tree), 0);
tree.insert_node(1, PidNode { ppid: 0, cmd: "init".into() });
tree.insert_node(2, PidNode { ppid: 1, cmd: "bash".into() });
assert_eq!(tree_len(&tree), 2);