Merge pull request #70 from epage/edition

chore: Migrate to Edition 2024

Author: epage

Cargo.toml

@@ -1,11 +1,11 @@
 [workspace]
-resolver = "2"
+resolver = "3"
 
 [workspace.package]
 repository = "https://github.com/rust-cli/termtree"
 license = "MIT"
-edition = "2021"
-rust-version = "1.74"  # MSRV
+edition = "2024"
+rust-version = "1.85"  # MSRV
 include = [
   "build.rs",
   "src/**/*",

examples/pretty-test.rs

@@ -2,7 +2,7 @@
 //! To see the complete demo coupling with rust-script, you can refer to
 //! <https://users.rust-lang.org/t/cargo-test-output-with-indentation/100149/2>
 
-use std::collections::{btree_map::Entry, BTreeMap};
+use std::collections::{BTreeMap, btree_map::Entry};
 use termtree::{GlyphPalette, Tree};
 
 fn main() {