Bump edition to 2024

Author: Lee-Janggun

Cargo.toml

@@ -2,10 +2,10 @@
 name = "cs431"
 version = "0.1.0"
 authors = ["Jeehoon Kang <jeehoon.kang@kaist.ac.kr>"]
-edition = "2021"
+edition = "2024"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 crossbeam-epoch = "0.9.18"
-crossbeam-utils = "0.8.19"
+crossbeam-utils = "0.8.21"

rust-toolchain

@@ -0,0 +1,3 @@
+[toolchain]
+channel = "1.85.0"
+components = ["rustfmt", "clippy", "rust-analyzer"]

rust-toolchain.toml

@@ -27,8 +27,8 @@ pub struct List<K, V> {
     head: Atomic<Node<K, V>>,
 }
 
-// Unlike stack and queue, we need `K` and `V` to be `Sync` for the list to be `Sync`,
-// as both `K` and `V` are accessed concurrently in `find` and `delete`, respectively.
+// Unlike stack and queue, we need `K` and `V` to be `Sync` for the list to be `Sync`, as both `K`
+// and `V` are accessed concurrently in `find` and `delete`, respectively.
 unsafe impl<K: Sync, V: Sync> Sync for List<K, V> {}
 unsafe impl<K: Send, V: Send> Send for List<K, V> {}
 
@@ -155,8 +155,8 @@ where
         while node.with_tag(0) != self.curr {
             // SAFETY: All nodes in the unlinked chain are not null.
             //
-            // NOTE: It may seem like this load could be non-atomic, but that would
-            // race with the `fetch_or` done in `remove`.
+            // NOTE: It may seem like this load could be non-atomic, but that would race with the
+            // `fetch_or` done in `remove`.
             let next = unsafe { node.deref() }.next.load(Relaxed, guard);
 
             // SAFETY: we unlinked the chain with above CAS.