Use crossbeam channel

Author: Veykril

Cargo.toml

@@ -15,6 +15,7 @@ salsa-macros = { version = "0.22.0", path = "components/salsa-macros", optional
 boxcar = { version = "0.2.12" }
 crossbeam-queue = "0.3.11"
 crossbeam-utils = "0.8.21"
+crossbeam-channel = "0.5.15"
 dashmap = { version = "6", features = ["raw-api"] }
 # the version of hashbrown used by dashmap
 hashbrown_14 = { version = "0.14", package = "hashbrown" }
@@ -52,7 +53,6 @@ salsa-macros = { version = "=0.22.0", path = "components/salsa-macros" }
 
 [dev-dependencies]
 # examples
-crossbeam-channel = "0.5.14"
 eyre = "0.6.8"
 notify-debouncer-mini = "0.4.1"
 ordered-float = "4.2.1"

src/table/memo.rs

@@ -102,12 +102,12 @@ pub fn run_memo_drops(receiver: &MemoDropReceiver) {
 }
 
 pub fn memo_drop_channel() -> (MemoDropSender, MemoDropReceiver) {
-    let (tx, rx) = std::sync::mpsc::channel();
+    let (tx, rx) = crossbeam_channel::unbounded();
     (MemoDropSender(tx), MemoDropReceiver(rx))
 }
 
 #[derive(Clone)]
-pub struct MemoDropSender(std::sync::mpsc::Sender<MemoDropAction>);
+pub struct MemoDropSender(crossbeam_channel::Sender<MemoDropAction>);
 
 impl MemoDropSender {
     /// Put the memo into the drop queue.
@@ -133,7 +133,7 @@ impl MemoDropSender {
     }
 }
 
-pub struct MemoDropReceiver(std::sync::mpsc::Receiver<MemoDropAction>);
+pub struct MemoDropReceiver(crossbeam_channel::Receiver<MemoDropAction>);
 
 /// A drop action to be performed by the owner of the `MemoDropReceiver`.
 #[derive(Debug)]