Properly drop on binds

Instead of binding to `_why`, bind to `_`, dropping the value.

This is pretty much just leftover from when the library was being
rapidly developed before being released.

2 files changed, 10 insertions, 13 deletions

diff --git a/src/ext/voice/connection.rs b/src/ext/voice/connection.rs
index 3f40d85..1b2569d 100644
--- a/src/ext/voice/connection.rs
+++ b/src/ext/voice/connection.rs
@@ -83,7 +83,7 @@ impl Connection {
 
                         break;
                     },
-                    VoiceEvent::Heartbeat(_heartbeat) => continue,
+                    VoiceEvent::Heartbeat(_) => continue,
                     other => {
                         debug!("[Voice] Expected hello/heartbeat; got: {:?}",
                                other);
@@ -220,7 +220,7 @@ impl Connection {
             }
         } else {
             loop {
-                if let Err(_why) = self.thread_items.rx.try_recv() {
+                if let Err(_) = self.thread_items.rx.try_recv() {
                     break;
                 }
             }
@@ -440,10 +440,10 @@ fn start_threads(mut receiver: WsReceiver<WebSocketStream>, udp: &UdpSocket)
                     let piece = buffer[..len].iter().cloned().collect();
                     let send = tx.send(ReceiverStatus::Udp(piece));
 
-                    if let Err(_why) = send {
+                    if let Err(_) = send {
                         return;
                     }
-                } else if let Ok(_v) = udp_close_reader.try_recv() {
+                } else if let Ok(_) = udp_close_reader.try_recv() {
                     return;
                 }
             }
@@ -454,12 +454,12 @@ fn start_threads(mut receiver: WsReceiver<WebSocketStream>, udp: &UdpSocket)
         .spawn(move || {
             loop {
                 while let Ok(msg) = receiver.recv_json(VoiceEvent::decode) {
-                    if let Err(_why) = tx_clone.send(ReceiverStatus::Websocket(msg)) {
+                    if let Err(_) = tx_clone.send(ReceiverStatus::Websocket(msg)) {
                         return;
                     }
                 }
 
-                if let Ok(_v) = ws_close_reader.try_recv() {
+                if let Ok(_) = ws_close_reader.try_recv() {
                     return;
                 }
 
diff --git a/src/ext/voice/handler.rs b/src/ext/voice/handler.rs
index f954d22..949e725 100644
--- a/src/ext/voice/handler.rs
+++ b/src/ext/voice/handler.rs
@@ -161,13 +161,10 @@ impl Handler {
     /// This does _not_ forget settings, like whether to be self-deafened or
     /// self-muted.
     pub fn leave(&mut self) {
-        match self.channel_id {
-            None => return,
-            Some(_channel_id) => {
-                self.channel_id = None;
+        if let Some(_) = self.channel_id {
+            self.channel_id = None;
 
-                self.update();
-            },
+            self.update();
         }
     }
 
@@ -231,7 +228,7 @@ impl Handler {
                 // If already connected to the given channel, do nothing.
                 return;
             },
-            Some(_current_id) => {
+            Some(_) => {
                 self.channel_id = Some(channel_id);
 
                 self.update();