Replace slab_tree with nary_tree because the former is no longer main…

…tained.

Cargo.toml

@@ -12,10 +12,10 @@ dirs-next = "2.0.0"
 fancy-regex = "0.13.0"
 itertools = "0.13.0"
 md-5 = { version = "0.10.6", features = ["md5-asm"] }
+nary_tree = "0.4.3"
 quick-error = "2.0.1"
 serde = { version = "1.0.204", features = ["derive"] }
 serde_yaml = "0.9.34"
-slab_tree = "0.3.2"
 walkdir = "2.5.0"
 
 [profile.release]

src/p2tree.rs

@@ -2,7 +2,7 @@ use std::path::{Path,PathBuf};
 use std::collections::HashMap;
 use std::fs::read_link;
 
-use slab_tree::{NodeId,TreeBuilder,Tree};
+use nary_tree::{NodeId,TreeBuilder,Tree};
 use colored::*;
 
 use crate::data::Operation;

src/tprint.rs

@@ -1,4 +1,4 @@
-use slab_tree::{NodeRef, Tree};
+use nary_tree::{NodeRef, Tree};
 
 const GLYPH_TREE_SPACE: &str = "    ";
 const GLYPH_TREE_BRANCH: &str = "│   ";