From 0fbb32ecca35eca4e32b936ec125660eeaefa58e Mon Sep 17 00:00:00 2001
From: Alex Chi <iskyzh@gmail.com>
Date: Mon, 5 May 2025 17:51:27 +0800
Subject: [PATCH] fix clippy warnings

Signed-off-by: Alex Chi <iskyzh@gmail.com>
---
 mini-lsm-starter/src/mvcc/watermark.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/mini-lsm-starter/src/mvcc/watermark.rs b/mini-lsm-starter/src/mvcc/watermark.rs
index 56fb1cd..af56e63 100644
--- a/mini-lsm-starter/src/mvcc/watermark.rs
+++ b/mini-lsm-starter/src/mvcc/watermark.rs
@@ -21,6 +21,12 @@ pub struct Watermark {
     readers: BTreeMap<u64, usize>,
 }
 
+impl Default for Watermark {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl Watermark {
     pub fn new() -> Self {
         Self {