Fixed new clippy lints.

src/list/mod.rs

@@ -184,7 +184,7 @@ where
     }
 
     pub fn drop_first_mut(&mut self) -> bool {
-        self.head.take().map_or(false, |h| {
+        self.head.take().is_some_and(|h| {
             self.head.clone_from(&h.next);
             self.length -= 1;
 

src/map/hash_trie_map/mod.rs

@@ -967,7 +967,7 @@ where
             return true;
         }
         self.size() == other.size()
-            && self.iter().all(|(key, value)| other.get(key).map_or(false, |v| *value == *v))
+            && self.iter().all(|(key, value)| other.get(key).is_some_and(|v| *value == *v))
     }
 }
 

src/map/red_black_tree_map/mod.rs

@@ -1034,7 +1034,7 @@ where
             return true;
         }
         self.size() == other.size()
-            && self.iter().all(|(key, value)| other.get(key).map_or(false, |v| *value == *v))
+            && self.iter().all(|(key, value)| other.get(key).is_some_and(|v| *value == *v))
     }
 }