From 6368008c0d32ba2ae3f864f99dc584955753d8e3 Mon Sep 17 00:00:00 2001
From: Xiangpeng Hao <me@haoxp.xyz>
Date: Wed, 17 Jan 2024 21:54:13 -0600
Subject: [PATCH] make clippy happy

---
 src/base_node.rs | 2 +-
 src/error.rs     | 4 ++--
 src/lock.rs      | 8 ++++----
 src/tree.rs      | 4 ++--
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/base_node.rs b/src/base_node.rs
index e200f6d..5d37520 100644
--- a/src/base_node.rs
+++ b/src/base_node.rs
@@ -243,7 +243,7 @@ impl BaseNode {
         // crate::utils::fail_point(ArtError::Locked(version))?;
 
         if Self::is_locked(version) || Self::is_obsolete(version) {
-            return Err(ArtError::Locked(version));
+            return Err(ArtError::Locked);
         }
 
         Ok(ReadGuard::new(version, self))
diff --git a/src/error.rs b/src/error.rs
index 90b2b14..be20fef 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -3,8 +3,8 @@ use std::fmt::{self, Debug, Display, Formatter};
 
 #[derive(Debug)]
 pub(crate) enum ArtError {
-    VersionNotMatch(usize),
-    Locked(usize),
+    VersionNotMatch,
+    Locked,
     Oom,
 }
 
diff --git a/src/lock.rs b/src/lock.rs
index 357a68e..5c07297 100644
--- a/src/lock.rs
+++ b/src/lock.rs
@@ -38,7 +38,7 @@ impl<'a, T: Node> ConcreteReadGuard<'a, T> {
             Ok(_) => Ok(ConcreteWriteGuard {
                 node: unsafe { &mut *self.node.get() },
             }),
-            Err(v) => Err((self, ArtError::VersionNotMatch(v))),
+            Err(_v) => Err((self, ArtError::VersionNotMatch)),
         }
     }
 }
@@ -93,12 +93,12 @@ impl<'a> ReadGuard<'a> {
             .load(Ordering::Acquire);
 
         #[cfg(test)]
-        crate::utils::fail_point(ArtError::VersionNotMatch(v))?;
+        crate::utils::fail_point(ArtError::VersionNotMatch)?;
 
         if v == self.version {
             Ok(v)
         } else {
-            Err(ArtError::VersionNotMatch(v))
+            Err(ArtError::VersionNotMatch)
         }
     }
 
@@ -142,7 +142,7 @@ impl<'a> ReadGuard<'a> {
             Ok(_) => Ok(WriteGuard {
                 node: unsafe { &mut *self.node.get() },
             }),
-            Err(v) => Err((self, ArtError::VersionNotMatch(v))),
+            Err(_v) => Err((self, ArtError::VersionNotMatch)),
         }
     }
 }
diff --git a/src/tree.rs b/src/tree.rs
index 7abdf16..1006db0 100644
--- a/src/tree.rs
+++ b/src/tree.rs
@@ -265,7 +265,7 @@ impl<T: RawKey, A: Allocator + Clone + Send> RawTree<T, A> {
             match self.insert_inner(&k, &mut |_| tid, guard) {
                 Ok(v) => return Ok(v),
                 Err(e) => match e {
-                    ArtError::Locked(_) | ArtError::VersionNotMatch(_) => {
+                    ArtError::Locked | ArtError::VersionNotMatch => {
                         backoff.spin();
                         continue;
                     }
@@ -290,7 +290,7 @@ impl<T: RawKey, A: Allocator + Clone + Send> RawTree<T, A> {
             match self.insert_inner(&k, insert_func, guard) {
                 Ok(v) => return Ok(v),
                 Err(e) => match e {
-                    ArtError::Locked(_) | ArtError::VersionNotMatch(_) => {
+                    ArtError::Locked | ArtError::VersionNotMatch => {
                         backoff.spin();
                         continue;
                     }