AtomicCell: Use atomic-maybe-uninit

Author: taiki-e

.github/workflows/ci.yml

@@ -40,9 +40,9 @@ jobs:
       matrix:
         # aarch64/x86_64 macOS and aarch64 Linux are tested on Cirrus CI
         include:
-          - rust: '1.38'
+          - rust: '1.59'
             os: ubuntu-latest
-          - rust: '1.38'
+          - rust: '1.59'
             os: windows-latest
           - rust: stable
             os: ubuntu-latest
@@ -83,7 +83,7 @@ jobs:
       fail-fast: false
       matrix:
         rust:
-          - '1.38'
+          - '1.59'
           - nightly
     runs-on: ubuntu-latest
     steps:

Cargo.toml

@@ -6,7 +6,7 @@ name = "crossbeam"
 # - Create "crossbeam-X.Y.Z" git tag
 version = "0.8.2"
 edition = "2018"
-rust-version = "1.38"
+rust-version = "1.59"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/crossbeam-rs/crossbeam"
 homepage = "https://github.com/crossbeam-rs/crossbeam"

README.md

@@ -8,7 +8,7 @@ https://github.com/crossbeam-rs/crossbeam#license)
 https://crates.io/crates/crossbeam)
 [![Documentation](https://docs.rs/crossbeam/badge.svg)](
 https://docs.rs/crossbeam)
-[![Rust 1.38+](https://img.shields.io/badge/rust-1.38+-lightgray.svg)](
+[![Rust 1.59+](https://img.shields.io/badge/rust-1.59+-lightgray.svg)](
 https://www.rust-lang.org)
 [![chat](https://img.shields.io/discord/569610676205781012.svg?logo=discord)](https://discord.com/invite/JXYwgWZ)
 
@@ -94,7 +94,7 @@ crossbeam = "0.8"
 
 Crossbeam supports stable Rust releases going back at least six months,
 and every time the minimum supported Rust version is increased, a new minor
-version is released. Currently, the minimum supported Rust version is 1.38.
+version is released. Currently, the minimum supported Rust version is 1.59.
 
 ## Contributing
 

crossbeam-channel/Cargo.toml

@@ -6,7 +6,7 @@ name = "crossbeam-channel"
 # - Create "crossbeam-channel-X.Y.Z" git tag
 version = "0.5.8"
 edition = "2018"
-rust-version = "1.38"
+rust-version = "1.59"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/crossbeam-rs/crossbeam"
 homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-channel"

crossbeam-channel/README.md

@@ -8,7 +8,7 @@ https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-channel#license)
 https://crates.io/crates/crossbeam-channel)
 [![Documentation](https://docs.rs/crossbeam-channel/badge.svg)](
 https://docs.rs/crossbeam-channel)
-[![Rust 1.38+](https://img.shields.io/badge/rust-1.38+-lightgray.svg)](
+[![Rust 1.59+](https://img.shields.io/badge/rust-1.59+-lightgray.svg)](
 https://www.rust-lang.org)
 [![chat](https://img.shields.io/discord/569610676205781012.svg?logo=discord)](https://discord.com/invite/JXYwgWZ)
 
@@ -48,7 +48,7 @@ crossbeam-channel = "0.5"
 
 Crossbeam Channel supports stable Rust releases going back at least six months,
 and every time the minimum supported Rust version is increased, a new minor
-version is released. Currently, the minimum supported Rust version is 1.38.
+version is released. Currently, the minimum supported Rust version is 1.59.
 
 ## License
 

crossbeam-channel/examples/stopwatch.rs

@@ -18,7 +18,7 @@ fn main() {
     // Creates a channel that gets a message every time `SIGINT` is signalled.
     fn sigint_notifier() -> io::Result<Receiver<()>> {
         let (s, r) = bounded(100);
-        let mut signals = Signals::new(&[SIGINT])?;
+        let mut signals = Signals::new([SIGINT])?;
 
         thread::spawn(move || {
             for _ in signals.forever() {

crossbeam-channel/src/lib.rs

@@ -335,6 +335,7 @@
     unreachable_pub
 )]
 #![cfg_attr(not(feature = "std"), no_std)]
+#![allow(clippy::match_like_matches_macro)]
 
 use cfg_if::cfg_if;
 

crossbeam-channel/src/select.rs

@@ -79,10 +79,10 @@ impl From<usize> for Selected {
     }
 }
 
-impl Into<usize> for Selected {
+impl From<Selected> for usize {
     #[inline]
-    fn into(self) -> usize {
-        match self {
+    fn from(val: Selected) -> Self {
+        match val {
             Selected::Waiting => 0,
             Selected::Aborted => 1,
             Selected::Disconnected => 2,

crossbeam-deque/Cargo.toml

@@ -6,7 +6,7 @@ name = "crossbeam-deque"
 # - Create "crossbeam-deque-X.Y.Z" git tag
 version = "0.8.3"
 edition = "2018"
-rust-version = "1.38"
+rust-version = "1.59"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/crossbeam-rs/crossbeam"
 homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-deque"

crossbeam-deque/README.md

@@ -8,7 +8,7 @@ https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-deque#license)
 https://crates.io/crates/crossbeam-deque)
 [![Documentation](https://docs.rs/crossbeam-deque/badge.svg)](
 https://docs.rs/crossbeam-deque)
-[![Rust 1.38+](https://img.shields.io/badge/rust-1.38+-lightgray.svg)](
+[![Rust 1.59+](https://img.shields.io/badge/rust-1.59+-lightgray.svg)](
 https://www.rust-lang.org)
 [![chat](https://img.shields.io/discord/569610676205781012.svg?logo=discord)](https://discord.com/invite/JXYwgWZ)
 
@@ -28,7 +28,7 @@ crossbeam-deque = "0.8"
 
 Crossbeam Deque supports stable Rust releases going back at least six months,
 and every time the minimum supported Rust version is increased, a new minor
-version is released. Currently, the minimum supported Rust version is 1.38.
+version is released. Currently, the minimum supported Rust version is 1.59.
 
 ## License