From 54638aced848cf630d9e3d4744419009f2700336 Mon Sep 17 00:00:00 2001
From: Takeru Ohta <phjgt308@gmail.com>
Date: Thu, 18 Sep 2025 19:32:58 +0900
Subject: [PATCH 1/2] chore: replace clap with noargs in examples

---
 Cargo.toml               |  2 +-
 examples/insert_lines.rs | 35 ++++++++++++++++++++++-------------
 2 files changed, 23 insertions(+), 14 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 6c5ea35..711db85 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ bitflags = { version = "2", default-features = false }
 serde = { version = "1", optional = true }
 
 [dev-dependencies]
-clap = { version = "4", features = ["derive"] }
+noargs = "0.4.1"
 rand = "0.9"
 serde_json = { version = "1" }
 
diff --git a/examples/insert_lines.rs b/examples/insert_lines.rs
index 6f149f7..467d42b 100644
--- a/examples/insert_lines.rs
+++ b/examples/insert_lines.rs
@@ -1,22 +1,29 @@
-use clap::Parser;
 use patricia_tree::PatriciaSet;
 use std::collections::{BTreeSet, HashSet};
 use std::io::BufRead;
 
-#[derive(Parser)]
-struct Args {
-    #[clap(
-        long,
-        default_value = "patricia",
-        value_parser = clap::builder::PossibleValuesParser::new(["patricia", "hash", "btree", "count"])
-    )]
-    kind: String,
-}
+fn main() -> noargs::Result<()> {
+    let mut args = noargs::raw_args();
+    noargs::HELP_FLAG.take_help(&mut args);
 
-fn main() {
-    let args = Args::parse();
+    let kind = noargs::opt("kind")
+        .doc("Data structure kindt")
+        .ty("patricia | hash | btree | count")
+        .default("patricia")
+        .take(&mut args)
+        .then(|a| {
+            let value = a.value();
+            match value {
+                "patricia" | "hash" | "btree" | "count" => Ok(value.to_string()),
+                _ => Err("must be one of: patricia, hash, btree, count"),
+            }
+        })?;
+    if let Some(help) = args.finish()? {
+        print!("{help}");
+        return Ok(());
+    }
 
-    match args.kind.as_str() {
+    match kind.as_str() {
         "patricia" => {
             let mut set = PatriciaSet::new();
             each_line(|line| {
@@ -47,6 +54,8 @@ fn main() {
         }
         _ => unreachable!(),
     }
+
+    Ok(())
 }
 
 fn each_line<F>(mut f: F)

From b25f4d28e661d88a081e2e816af36879de0175bb Mon Sep 17 00:00:00 2001
From: Takeru Ohta <phjgt308@gmail.com>
Date: Thu, 18 Sep 2025 19:34:11 +0900
Subject: [PATCH 2/2] fix: replace deprecated rand::thread_rng with rand::rng

---
 benches/bench.rs | 2 +-
 src/map.rs       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/benches/bench.rs b/benches/bench.rs
index be86fb1..0a80f9e 100644
--- a/benches/bench.rs
+++ b/benches/bench.rs
@@ -37,7 +37,7 @@ fn bench_removal(b: &mut test::Bencher) {
     }
 
     let mut values = (0..MAX).collect::<Vec<_>>();
-    values.shuffle(&mut rand::thread_rng());
+    values.shuffle(&mut rand::rng());
 
     let mut values = values.iter().cycle();
     b.iter(|| {
diff --git a/src/map.rs b/src/map.rs
index ec02cbc..fe44037 100644
--- a/src/map.rs
+++ b/src/map.rs
@@ -815,7 +815,7 @@ mod tests {
     #[cfg_attr(miri, ignore)]
     fn large_map_works() {
         let mut input = (0..10000).map(|i| (i.to_string(), i)).collect::<Vec<_>>();
-        input.shuffle(&mut rand::thread_rng());
+        input.shuffle(&mut rand::rng());
 
         // Insert
         let mut map = input.iter().cloned().collect::<PatriciaMap<_>>();