diff --git a/examples/names.rs b/examples/names.rs
index 0a8ccfc..4e0fb2a 100644
--- a/examples/names.rs
+++ b/examples/names.rs
@@ -76,7 +76,7 @@ fn main() -> Result<(), Box<dyn error::Error>> {
             _ => return Err("expected player stats to be an array".into()),
         };
 
-        let header_names = names_in_header(&stats);
+        let header_names = names_in_header(stats);
         for name in header_names {
             println!("{}", name);
         }
diff --git a/examples/ping.rs b/examples/ping.rs
index 6bc16dc..4d17865 100644
--- a/examples/ping.rs
+++ b/examples/ping.rs
@@ -99,7 +99,7 @@ fn main() -> Result<(), Box<dyn error::Error>> {
                     // Fill in the name of the latest entry with the same
                     // actor id that either has the same name or no name.
                     let entry = actor_pings.iter().rev().rposition(|x| {
-                        x.actor_id == act_id && x.name.as_ref().map_or(true, |n| n == &name)
+                        x.actor_id == act_id && x.name.as_ref().is_none_or(|n| n == &name)
                     });
                     if let Some(position) = entry {
                         actor_pings[position].name.replace(name);
@@ -111,7 +111,7 @@ fn main() -> Result<(), Box<dyn error::Error>> {
                         });
                     }
                 } else {
-                    return Err("expected player name to be a string")?;
+                    Err("expected player name to be a string")?;
                 }
             } else if attr.object_id == ping_id {
                 if let Attribute::Byte(ping) = attr.attribute {
@@ -130,7 +130,7 @@ fn main() -> Result<(), Box<dyn error::Error>> {
                         });
                     }
                 } else {
-                    return Err("expected ping to be a byte")?;
+                    Err("expected ping to be a byte")?;
                 }
             }
         }
@@ -149,7 +149,7 @@ fn main() -> Result<(), Box<dyn error::Error>> {
             .and_modify(|e| {
                 e.extend_from_slice(&player.pings);
             })
-            .or_insert_with(Vec::new);
+            .or_default();
     }
 
     for (player, pings) in &pings {
diff --git a/examples/property_counter.rs b/examples/property_counter.rs
index 9f9aab3..2c285d2 100644
--- a/examples/property_counter.rs
+++ b/examples/property_counter.rs
@@ -13,7 +13,7 @@ fn count_properties(
     prefix: &str,
 ) {
     for (key, prop) in props.iter() {
-        let new_prefix = if prefix == "" {
+        let new_prefix = if prefix.is_empty() {
             Cow::Borrowed(key)
         } else {
             Cow::Owned(format!("{}:{}", prefix, key))
diff --git a/tests/samples.rs b/tests/samples.rs
index c1cc323..25449f1 100644
--- a/tests/samples.rs
+++ b/tests/samples.rs
@@ -224,14 +224,14 @@ fn test_preserve_endian() {
             boxcars::Attribute::LoadoutsOnline(x) => Some(x.blue.iter().flat_map(|pr| pr.iter())),
             _ => None,
         })
-        .flat_map(|x| x)
+        .flatten()
         .filter_map(|x| match x.value {
             boxcars::attributes::ProductValue::NewPaint(p) => Some(p),
             _ => None,
         })
         .collect::<Vec<_>>();
 
-    assert_eq!(*new_paints.get(0).unwrap(), 11);
+    assert_eq!(*new_paints.first().unwrap(), 11);
 }
 
 #[test]