ci: enable clippy lints (#1335)

tokio-threadpool/src/pool/backup.rs

@@ -235,12 +235,12 @@ impl Backup {
 
 impl State {
     /// Returns a new, default, thread `State`
-    pub fn new() -> State {
+    pub(crate) fn new() -> State {
         State(0)
     }
 
     /// Returns true if the thread entry is pushed in the sleeper stack
-    pub fn is_pushed(&self) -> bool {
+    pub(crate) fn is_pushed(self) -> bool {
         self.0 & PUSHED == PUSHED
     }
 
@@ -248,19 +248,19 @@ impl State {
         self.0 &= !PUSHED;
     }
 
-    pub fn is_running(&self) -> bool {
+    pub(crate) fn is_running(self) -> bool {
         self.0 & RUNNING == RUNNING
     }
 
-    pub fn set_running(&mut self) {
+    pub(crate) fn set_running(&mut self) {
         self.0 |= RUNNING;
     }
 
-    pub fn unset_running(&mut self) {
+    pub(crate) fn unset_running(&mut self) {
         self.0 &= !RUNNING;
     }
 
-    pub fn is_terminated(&self) -> bool {
+    pub(crate) fn is_terminated(self) -> bool {
         self.0 & TERMINATED == TERMINATED
     }
 

tokio-threadpool/src/pool/backup_stack.rs

@@ -93,10 +93,7 @@ impl BackupStack {
     /// * `Err(_)` is returned if the pool has been shutdown.
     pub fn pop(&self, entries: &[Backup], terminate: bool) -> Result<Option<BackupId>, ()> {
         // Figure out the empty value
-        let terminal = match terminate {
-            true => TERMINATED,
-            false => EMPTY,
-        };
+        let terminal = if terminate { TERMINATED } else { EMPTY };
 
         let mut state: State = self.state.load(Acquire).into();
 
@@ -164,7 +161,7 @@ impl State {
         State(EMPTY.0)
     }
 
-    fn head(&self) -> BackupId {
+    fn head(self) -> BackupId {
         BackupId(self.0 & STACK_MASK)
     }
 

tokio-threadpool/src/pool/state.rs

@@ -33,19 +33,19 @@ pub(crate) const MAX_FUTURES: usize = usize::MAX >> NUM_FUTURES_OFFSET;
 
 impl State {
     #[inline]
-    pub fn new() -> State {
+    pub(crate) fn new() -> State {
         State(0)
     }
 
     /// Returns the number of futures still pending completion.
-    pub fn num_futures(&self) -> usize {
+    pub(crate) fn num_futures(self) -> usize {
         self.0 >> NUM_FUTURES_OFFSET
     }
 
     /// Increment the number of futures pending completion.
     ///
     /// Returns false on failure.
-    pub fn inc_num_futures(&mut self) {
+    pub(crate) fn inc_num_futures(&mut self) {
         debug_assert!(self.num_futures() < MAX_FUTURES);
         debug_assert!(self.lifecycle() < Lifecycle::ShutdownNow);
 
@@ -53,7 +53,7 @@ impl State {
     }
 
     /// Decrement the number of futures pending completion.
-    pub fn dec_num_futures(&mut self) {
+    pub(crate) fn dec_num_futures(&mut self) {
         let num_futures = self.num_futures();
 
         if num_futures == 0 {
@@ -69,19 +69,19 @@ impl State {
     }
 
     /// Set the number of futures pending completion to zero
-    pub fn clear_num_futures(&mut self) {
-        self.0 = self.0 & LIFECYCLE_MASK;
+    pub(crate) fn clear_num_futures(&mut self) {
+        self.0 &= LIFECYCLE_MASK;
     }
 
-    pub fn lifecycle(&self) -> Lifecycle {
+    pub(crate) fn lifecycle(self) -> Lifecycle {
         (self.0 & LIFECYCLE_MASK).into()
     }
 
-    pub fn set_lifecycle(&mut self, val: Lifecycle) {
+    pub(crate) fn set_lifecycle(&mut self, val: Lifecycle) {
         self.0 = (self.0 & NUM_FUTURES_MASK) | (val as usize);
     }
 
-    pub fn is_terminated(&self) -> bool {
+    pub(crate) fn is_terminated(self) -> bool {
         self.lifecycle() == Lifecycle::ShutdownNow && self.num_futures() == 0
     }
 }