Make clippy happy

src/lune/builtins/luau/options.rs

@@ -39,7 +39,7 @@ impl<'lua> FromLua<'lua> for LuauCompileOptions {
 
                 let get_and_check = |name: &'static str| -> LuaResult<Option<u8>> {
                     match t.get(name)? {
-                        Some(n @ (0 | 1 | 2)) => Ok(Some(n)),
+                        Some(n @ (0..=2)) => Ok(Some(n)),
                         Some(n) => Err(LuaError::runtime(format!(
                             "'{name}' must be one of: 0, 1, or 2 - got {n}"
                         ))),

src/lune/builtins/net/websocket.rs

@@ -1,4 +1,4 @@
-use std::{cell::Cell, sync::Arc};
+use std::sync::Arc;
 
 use hyper::upgrade::Upgraded;
 use mlua::prelude::*;
@@ -46,7 +46,7 @@ return freeze(setmetatable({
 
 #[derive(Debug)]
 pub struct NetWebSocket<T> {
-    close_code: Arc<Cell<Option<u16>>>,
+    close_code: Arc<AsyncMutex<Option<u16>>>,
     read_stream: Arc<AsyncMutex<SplitStream<WebSocketStream<T>>>>,
     write_stream: Arc<AsyncMutex<SplitSink<WebSocketStream<T>, WsMessage>>>,
 }
@@ -69,7 +69,7 @@ where
         let (write, read) = value.split();
 
         Self {
-            close_code: Arc::new(Cell::new(None)),
+            close_code: Arc::new(AsyncMutex::new(None)),
             read_stream: Arc::new(AsyncMutex::new(read)),
             write_stream: Arc::new(AsyncMutex::new(write)),
         }
@@ -137,10 +137,16 @@ fn close_code<'lua, T>(
 where
     T: AsyncRead + AsyncWrite + Unpin,
 {
-    Ok(match socket.close_code.get() {
-        Some(code) => LuaValue::Number(code as f64),
-        None => LuaValue::Nil,
-    })
+    Ok(
+        match *socket
+            .close_code
+            .try_lock()
+            .expect("Failed to lock close code")
+        {
+            Some(code) => LuaValue::Number(code as f64),
+            None => LuaValue::Nil,
+        },
+    )
 }
 
 async fn close<'lua, T>(
@@ -204,7 +210,8 @@ where
     let msg = match item {
         Ok(Some(WsMessage::Close(msg))) => {
             if let Some(msg) = &msg {
-                socket.close_code.replace(Some(msg.code.into()));
+                let mut code = socket.close_code.lock().await;
+                *code = Some(msg.code.into());
             }
             Ok(Some(WsMessage::Close(msg)))
         }

src/lune/scheduler/impl_runner.rs

@@ -57,7 +57,12 @@ impl<'fut> Scheduler<'fut> {
             if thread.status() != LuaThreadStatus::Resumable {
                 // NOTE: Threads that were spawned to resume
                 // with an error will not have a result sender
-                if let Some(sender) = self.thread_senders.borrow_mut().remove(&thread_id) {
+                if let Some(sender) = self
+                    .thread_senders
+                    .try_lock()
+                    .expect("Failed to get thread senders")
+                    .remove(&thread_id)
+                {
                     if sender.receiver_count() > 0 {
                         let stored = match res {
                             Err(e) => Err(e),

src/lune/scheduler/impl_threads.rs

@@ -14,8 +14,8 @@ impl<'fut> Scheduler<'fut> {
     pub(super) fn has_thread(&self) -> bool {
         !self
             .threads
-            .try_borrow()
-            .expect("Failed to borrow threads vec")
+            .try_lock()
+            .expect("Failed to lock threads vec")
             .is_empty()
     }
 
@@ -27,9 +27,9 @@ impl<'fut> Scheduler<'fut> {
     pub(super) fn pop_thread(&self) -> LuaResult<Option<SchedulerThread>> {
         match self
             .threads
-            .try_borrow_mut()
+            .try_lock()
             .into_lua_err()
-            .context("Failed to borrow threads vec")?
+            .context("Failed to lock threads vec")?
             .pop_front()
         {
             Some(thread) => Ok(Some(thread)),
@@ -54,9 +54,9 @@ impl<'fut> Scheduler<'fut> {
 
         self.state.set_thread_error(thread_id, err);
         self.threads
-            .try_borrow_mut()
+            .try_lock()
             .into_lua_err()
-            .context("Failed to borrow threads vec")?
+            .context("Failed to lock threads vec")?
             .push_front(thread);
 
         // NOTE: We might be resuming futures, need to signal that a
@@ -83,16 +83,18 @@ impl<'fut> Scheduler<'fut> {
         let thread_id = thread.id();
 
         self.threads
-            .try_borrow_mut()
+            .try_lock()
             .into_lua_err()
-            .context("Failed to borrow threads vec")?
+            .context("Failed to lock threads vec")?
             .push_front(thread);
 
         // NOTE: We might be resuming the same thread several times and
         // pushing it to the scheduler several times before it is done,
         // and we should only ever create one result sender per thread
         self.thread_senders
-            .borrow_mut()
+            .try_lock()
+            .into_lua_err()
+            .context("Failed to lock thread senders vec")?
             .entry(thread_id)
             .or_insert_with(|| SchedulerThreadSender::new(1));
 
@@ -120,16 +122,18 @@ impl<'fut> Scheduler<'fut> {
         let thread_id = thread.id();
 
         self.threads
-            .try_borrow_mut()
+            .try_lock()
             .into_lua_err()
-            .context("Failed to borrow threads vec")?
+            .context("Failed to lock threads vec")?
             .push_back(thread);
 
         // NOTE: We might be resuming the same thread several times and
         // pushing it to the scheduler several times before it is done,
         // and we should only ever create one result sender per thread
         self.thread_senders
-            .borrow_mut()
+            .try_lock()
+            .into_lua_err()
+            .context("Failed to lock thread senders vec")?
             .entry(thread_id)
             .or_insert_with(|| SchedulerThreadSender::new(1));
 
@@ -149,7 +153,7 @@ impl<'fut> Scheduler<'fut> {
         thread_id: SchedulerThreadId,
     ) -> LuaResult<LuaMultiValue<'a>> {
         let mut recv = {
-            let senders = self.thread_senders.borrow();
+            let senders = self.thread_senders.lock().await;
             let sender = senders
                 .get(&thread_id)
                 .expect("Tried to wait for thread that is not queued");

src/lune/scheduler/mod.rs

@@ -1,5 +1,4 @@
 use std::{
-    cell::RefCell,
     collections::{HashMap, VecDeque},
     pin::Pin,
     sync::Arc,
@@ -37,8 +36,8 @@ type SchedulerFuture<'fut> = Pin<Box<dyn Future<Output = ()> + 'fut>>;
 #[derive(Debug, Clone)]
 pub(crate) struct Scheduler<'fut> {
     state: Arc<SchedulerState>,
-    threads: Arc<RefCell<VecDeque<SchedulerThread>>>,
-    thread_senders: Arc<RefCell<HashMap<SchedulerThreadId, SchedulerThreadSender>>>,
+    threads: Arc<AsyncMutex<VecDeque<SchedulerThread>>>,
+    thread_senders: Arc<AsyncMutex<HashMap<SchedulerThreadId, SchedulerThreadSender>>>,
     /*
         FUTURE: Get rid of these, let the tokio runtime handle running
         and resumption of futures completely, just use our scheduler
@@ -64,11 +63,12 @@ impl<'fut> Scheduler<'fut> {
     /**
         Creates a new scheduler.
     */
+    #[allow(clippy::arc_with_non_send_sync)] // FIXME: Clippy lints our tokio mutexes that are definitely Send + Sync
     pub fn new() -> Self {
         Self {
             state: Arc::new(SchedulerState::new()),
-            threads: Arc::new(RefCell::new(VecDeque::new())),
-            thread_senders: Arc::new(RefCell::new(HashMap::new())),
+            threads: Arc::new(AsyncMutex::new(VecDeque::new())),
+            thread_senders: Arc::new(AsyncMutex::new(HashMap::new())),
             futures_lua: Arc::new(AsyncMutex::new(FuturesUnordered::new())),
             futures_background: Arc::new(AsyncMutex::new(FuturesUnordered::new())),
         }

src/lune/util/formatting.rs

@@ -118,8 +118,8 @@ pub fn pretty_format_value(
             COLOR_GREEN.apply_to(
                 s.to_string_lossy()
                     .replace('"', r#"\""#)
-                    .replace('\r', r#"\r"#)
-                    .replace('\n', r#"\n"#)
+                    .replace('\r', r"\r")
+                    .replace('\n', r"\n")
             )
         )?,
         LuaValue::Table(ref tab) => {