fix clippy

Author: loongs-zhang

core/src/common/ordered_work_steal.rs

@@ -255,7 +255,7 @@ impl<'l, T: Debug> OrderedLocalQueue<'l, T> {
         for _ in 0..count {
             for entry in self.queue.iter().rev() {
                 if let Some(item) = entry.value().pop() {
-                    self.shared.push_with_priority(entry.key().clone(), item);
+                    self.shared.push_with_priority(*entry.key(), item);
                 }
             }
         }
@@ -350,7 +350,7 @@ impl<'l, T: Debug> OrderedLocalQueue<'l, T> {
                             //其他队列为空
                             continue;
                         }
-                        let into_entry = self.queue.get_or_insert_with(entry.key().clone(), || {
+                        let into_entry = self.queue.get_or_insert_with(*entry.key(), || {
                             Worker::new(self.shared.local_capacity)
                         });
                         let into_queue = into_entry.value();

core/src/coroutine/local.rs

@@ -4,7 +4,6 @@ use std::ffi::c_void;
 use std::fmt::Debug;
 
 /// todo provide macro like [`std::thread_local`]
-
 /// A struct for coroutines handles local args.
 #[repr(C)]
 #[derive(Debug, Default)]

core/src/coroutine/suspender.rs

@@ -49,7 +49,7 @@ impl<Param, Yield> Suspender<'_, Param, Yield> {
 }
 
 #[allow(clippy::must_use_candidate)]
-impl<'s, Param> Suspender<'s, Param, ()> {
+impl<Param> Suspender<'_, Param, ()> {
     /// see the `suspend_with` documents.
     pub fn suspend(&self) -> Param {
         self.suspend_with(())

core/src/syscall/unix/select.rs

@@ -97,7 +97,7 @@ impl<I: SelectSyscall> SelectSyscall for NioSelectSyscall<I> {
             }
             _ = EventLoops::wait_event(Some(Duration::from_millis(u64::from(t.min(x)))));
             if t != c_uint::MAX {
-                t = if t > x { t - x } else { 0 };
+                t = t.saturating_sub(x);
             }
             if x < 16 {
                 x <<= 1;