From 32e1537df264e27f2ef0efd128a6c32f3a395459 Mon Sep 17 00:00:00 2001
From: xuanyuan300 <xuanyuan300@gmail.com>
Date: Sat, 9 Dec 2023 23:11:51 +0800
Subject: [PATCH] fix cargo clippy

Signed-off-by: xuanyuan300 <xuanyuan300@gmail.com>
---
 lib/wasix/src/runtime/task_manager/tokio.rs | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/lib/wasix/src/runtime/task_manager/tokio.rs b/lib/wasix/src/runtime/task_manager/tokio.rs
index ceee20435d9..6118717b7b8 100644
--- a/lib/wasix/src/runtime/task_manager/tokio.rs
+++ b/lib/wasix/src/runtime/task_manager/tokio.rs
@@ -123,7 +123,7 @@ impl VirtualTaskManager for TokioTaskManager {
                 .enter(handle, time)
                 .await
                 .ok()
-                .unwrap_or_else(|| ())
+                .unwrap_or(())
         })
     }
 
@@ -208,6 +208,7 @@ impl VirtualTaskManager for TokioTaskManager {
 }
 
 // Used by [`VirtualTaskManager::sleep_now`] to abort a sleep task when drop.
+#[derive(Default)]
 struct SleepNow {
     abort_handle: Option<tokio::task::AbortHandle>,
 }
@@ -230,14 +231,10 @@ impl SleepNow {
     }
 }
 
-impl Default for SleepNow {
-    fn default() -> Self {
-        Self { abort_handle: None }
-    }
-}
-
 impl Drop for SleepNow {
     fn drop(&mut self) {
-        self.abort_handle.as_ref().map(|h| h.abort());
+        if let Some(h) = self.abort_handle.as_ref() {
+            h.abort()
+        }
     }
 }