From 658f91a0cc4730a69a1c3de6a75f3e6b937c9ba8 Mon Sep 17 00:00:00 2001
From: Christopher Sumnicht <csumnicht@berkeley.edu>
Date: Sat, 5 Dec 2015 03:17:18 -0800
Subject: [PATCH 1/2] Resolved warnings about unused result

---
 src/doc/book/concurrency.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/doc/book/concurrency.md b/src/doc/book/concurrency.md
index cc6cfc2f4a09..a41a4f6fa950 100644
--- a/src/doc/book/concurrency.md
+++ b/src/doc/book/concurrency.md
@@ -295,12 +295,12 @@ fn main() {
             let mut data = data.lock().unwrap();
             *data += 1;
 
-            tx.send(());
+            let _ = tx.send(());
         });
     }
 
     for _ in 0..10 {
-        rx.recv();
+        let _ = rx.recv();
     }
 }
 ```
@@ -324,7 +324,7 @@ fn main() {
         thread::spawn(move || {
             let answer = i * i;
 
-            tx.send(answer);
+            let _ = tx.send(answer);
         });
     }
 

From bfb73615406dbc8ad2c948c1312a32afa7fb1877 Mon Sep 17 00:00:00 2001
From: Christopher Sumnicht <csumnicht@berkeley.edu>
Date: Sat, 5 Dec 2015 15:01:05 -0800
Subject: [PATCH 2/2] Uses unwrap instead of pattern matching

---
 src/doc/book/concurrency.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/doc/book/concurrency.md b/src/doc/book/concurrency.md
index a41a4f6fa950..8ea6f4f6fcc2 100644
--- a/src/doc/book/concurrency.md
+++ b/src/doc/book/concurrency.md
@@ -295,12 +295,12 @@ fn main() {
             let mut data = data.lock().unwrap();
             *data += 1;
 
-            let _ = tx.send(());
+            tx.send(()).unwrap();
         });
     }
 
     for _ in 0..10 {
-        let _ = rx.recv();
+        rx.recv().unwrap();
     }
 }
 ```
@@ -324,7 +324,7 @@ fn main() {
         thread::spawn(move || {
             let answer = i * i;
 
-            let _ = tx.send(answer);
+            tx.send(answer).unwrap();
         });
     }