From 2064a09b2c330a032940e46d85b9ce8a5639047b Mon Sep 17 00:00:00 2001
From: "Ram.Type-0" <p0211@live.jp>
Date: Mon, 17 Jan 2022 22:58:12 +0900
Subject: [PATCH 1/2] Implement `Send` for chunk types

#4
---
 src/chunks.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/chunks.rs b/src/chunks.rs
index dad49ba9..48ddd59d 100644
--- a/src/chunks.rs
+++ b/src/chunks.rs
@@ -444,6 +444,8 @@ pub struct WriteChunkUninit<'a, T> {
     producer: &'a Producer<T>,
 }
 
+unsafe impl<T: Send> Send for WriteChunkUninit<'_, T> {}
+
 impl<T> WriteChunkUninit<'_, T> {
     /// Returns two slices for writing to the requested slots.
     ///
@@ -614,6 +616,8 @@ pub struct ReadChunk<'a, T> {
     consumer: &'a mut Consumer<T>,
 }
 
+unsafe impl<T: Send> Send for ReadChunk<'_, T> {}
+
 impl<T> ReadChunk<'_, T> {
     /// Returns two slices for reading from the requested slots.
     ///

From d7c6bdb413acbdf55238d761854fa4c3164b5403 Mon Sep 17 00:00:00 2001
From: "Ram.Type-0" <39725073+RamType0@users.noreply.github.com>
Date: Mon, 28 Feb 2022 16:57:52 +0900
Subject: [PATCH 2/2] Add comments about `Send` safety for chunk types

Co-authored-by: Matthias Geier <Matthias.Geier@gmail.com>
---
 src/chunks.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/chunks.rs b/src/chunks.rs
index 48ddd59d..38128cac 100644
--- a/src/chunks.rs
+++ b/src/chunks.rs
@@ -444,6 +444,8 @@ pub struct WriteChunkUninit<'a, T> {
     producer: &'a Producer<T>,
 }
 
+// WriteChunkUninit only exists while a unique reference to the Producer is held.
+// It is therefore safe to move it to another thread.
 unsafe impl<T: Send> Send for WriteChunkUninit<'_, T> {}
 
 impl<T> WriteChunkUninit<'_, T> {
@@ -616,6 +618,8 @@ pub struct ReadChunk<'a, T> {
     consumer: &'a mut Consumer<T>,
 }
 
+// ReadChunk only exists while a unique reference to the Consumer is held.
+// It is therefore safe to move it to another thread.
 unsafe impl<T: Send> Send for ReadChunk<'_, T> {}
 
 impl<T> ReadChunk<'_, T> {