Remove unneeded mutable reference

Fixes #1953.
rust-lang · Jan 30, 2020 · 1d0b5e6 · 1d0b5e6
1 parent a3c2cae
commit 1d0b5e6
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/listings/ch20-web-server/listing-20-24/src/lib.rs b/listings/ch20-web-server/listing-20-24/src/lib.rs
@@ -54,7 +54,7 @@ impl Drop for ThreadPool {
     fn drop(&mut self) {
         println!("Sending terminate message to all workers.");
 
-        for _ in &mut self.workers {
+        for _ in &self.workers {
             self.sender.send(Message::Terminate).unwrap();
         }
 

diff --git a/listings/ch20-web-server/listing-20-25/src/lib.rs b/listings/ch20-web-server/listing-20-25/src/lib.rs
@@ -54,7 +54,7 @@ impl Drop for ThreadPool {
     fn drop(&mut self) {
         println!("Sending terminate message to all workers.");
 
-        for _ in &mut self.workers {
+        for _ in &self.workers {
             self.sender.send(Message::Terminate).unwrap();
         }