From 30042a073d0c012c26664b2d3b8630334b266384 Mon Sep 17 00:00:00 2001
From: Xiangpeng Hao <haoxiangpeng123@gmail.com>
Date: Mon, 18 Nov 2024 21:49:01 -0600
Subject: [PATCH] clippy

---
 src/lock.rs     | 18 +++++++++---------
 src/node_16.rs  |  2 +-
 src/node_256.rs |  2 +-
 src/node_48.rs  |  2 +-
 src/node_ptr.rs |  2 +-
 5 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/src/lock.rs b/src/lock.rs
index 8a71a5a..be890f5 100644
--- a/src/lock.rs
+++ b/src/lock.rs
@@ -16,7 +16,7 @@ impl<'a, T: Node> TypedReadGuard<'a, T> {
         unsafe { &*self.node }
     }
 
-    pub(crate) fn upgrade(self) -> Result<ConcreteWriteGuard<'a, T>, (Self, ArtError)> {
+    pub(crate) fn upgrade(self) -> Result<TypedWriteGuard<'a, T>, (Self, ArtError)> {
         let new_version = self.version + 0b10;
         match self
             .as_ref()
@@ -28,20 +28,20 @@ impl<'a, T: Node> TypedReadGuard<'a, T> {
                 Ordering::Release,
                 Ordering::Relaxed,
             ) {
-            Ok(_) => Ok(ConcreteWriteGuard {
+            Ok(_) => Ok(TypedWriteGuard {
                 // SAFETY: this is seems to be unsound, but we (1) acquired write lock, (2) has the right memory ordering.
-                node: unsafe { &mut *(self.node as *const T as *mut T) },
+                node: unsafe { &mut *(self.node as *mut T) },
             }),
             Err(_v) => Err((self, ArtError::VersionNotMatch)),
         }
     }
 }
 
-pub(crate) struct ConcreteWriteGuard<'a, T: Node> {
+pub(crate) struct TypedWriteGuard<'a, T: Node> {
     node: &'a mut T,
 }
 
-impl<'a, T: Node> ConcreteWriteGuard<'a, T> {
+impl<T: Node> TypedWriteGuard<'_, T> {
     pub(crate) fn as_ref(&self) -> &T {
         self.node
     }
@@ -58,7 +58,7 @@ impl<'a, T: Node> ConcreteWriteGuard<'a, T> {
     }
 }
 
-impl<'a, T: Node> Drop for ConcreteWriteGuard<'a, T> {
+impl<T: Node> Drop for TypedWriteGuard<'_, T> {
     fn drop(&mut self) {
         self.node
             .base()
@@ -105,7 +105,7 @@ impl<'a> ReadGuard<'a> {
 
         TypedReadGuard {
             version: self.version,
-            node: unsafe { &*(self.node as *const BaseNode as *const T) },
+            node: unsafe { &*(self.node as *const T) },
             _pt_node: PhantomData,
         }
     }
@@ -144,7 +144,7 @@ pub(crate) struct WriteGuard<'a> {
     node: &'a mut BaseNode,
 }
 
-impl<'a> WriteGuard<'a> {
+impl WriteGuard<'_> {
     pub(crate) fn as_ref(&self) -> &BaseNode {
         self.node
     }
@@ -160,7 +160,7 @@ impl<'a> WriteGuard<'a> {
     }
 }
 
-impl<'a> Drop for WriteGuard<'a> {
+impl Drop for WriteGuard<'_> {
     fn drop(&mut self) {
         self.node
             .type_version_lock_obsolete
diff --git a/src/node_16.rs b/src/node_16.rs
index 64ab5a7..5b7102a 100644
--- a/src/node_16.rs
+++ b/src/node_16.rs
@@ -80,7 +80,7 @@ pub(crate) struct Node16Iter<'a> {
     end_pos: usize,
 }
 
-impl<'a> Iterator for Node16Iter<'a> {
+impl Iterator for Node16Iter<'_> {
     type Item = (u8, NodePtr);
 
     fn next(&mut self) -> Option<Self::Item> {
diff --git a/src/node_256.rs b/src/node_256.rs
index 47720e5..9c929b6 100644
--- a/src/node_256.rs
+++ b/src/node_256.rs
@@ -47,7 +47,7 @@ pub(crate) struct Node256Iter<'a> {
     node: &'a Node256,
 }
 
-impl<'a> Iterator for Node256Iter<'a> {
+impl Iterator for Node256Iter<'_> {
     type Item = (u8, NodePtr);
 
     fn next(&mut self) -> Option<Self::Item> {
diff --git a/src/node_48.rs b/src/node_48.rs
index 8820901..ed30c84 100644
--- a/src/node_48.rs
+++ b/src/node_48.rs
@@ -38,7 +38,7 @@ pub(crate) struct Node48Iter<'a> {
     node: &'a Node48,
 }
 
-impl<'a> Iterator for Node48Iter<'a> {
+impl Iterator for Node48Iter<'_> {
     type Item = (u8, NodePtr);
 
     fn next(&mut self) -> Option<Self::Item> {
diff --git a/src/node_ptr.rs b/src/node_ptr.rs
index e25f13c..af0bcec 100644
--- a/src/node_ptr.rs
+++ b/src/node_ptr.rs
@@ -60,7 +60,7 @@ impl<N: Node> AllocatedNode<N> {
     pub(crate) fn into_note_ptr(self) -> NodePtr {
         let ptr = self.ptr;
         std::mem::forget(self);
-        unsafe { NodePtr::from_node_new(std::mem::transmute(ptr)) }
+        unsafe { NodePtr::from_node_new(std::mem::transmute::<NonNull<N>, NonNull<BaseNode>>(ptr)) }
     }
 }