Make clippy happy

src/commands/brainfuck.rs

@@ -14,7 +14,7 @@ fn brainfuck(ctx: &mut Context, message: &Message, args: Args) -> CommandResult
         "" => {
             return Err(CommandError(s!("Called without input!")));
         }
-        v @ _ => v,
+        v => v,
     };
     let output = Brainfuck::execute(input);
 

src/commands/lyrics.rs

@@ -27,7 +27,7 @@ fn lyrics(ctx: &mut Context, message: &Message, args: Args) -> CommandResult {
         "" => {
             return Err(CommandError(s!("Called without input!")));
         }
-        v @ _ => v,
+        v => v,
     };
     // encode into url
     url += &s!(percent_encode(input.as_bytes(), NON_ALPHANUMERIC));

src/main.rs

@@ -1,4 +1,5 @@
 #![allow(clippy::unreadable_literal)]
+#![allow(clippy::cmp_owned)]
 
 #[macro_use]
 extern crate lazy_static;
@@ -479,7 +480,7 @@ fn owo(ctx: &mut Context, message: &Message, args: Args) -> CommandResult {
         Err(_) => return Err(CommandError(s!("Could not get last message!"))),
     };
 
-    let ref lastmsg = lastmsg[0].content;
+    let lastmsg = &lastmsg[0].content;
 
     let input: String = match args.is_empty() {
         true => s!(lastmsg),
@@ -508,7 +509,7 @@ fn desc(ctx: &mut Context, message: &Message) -> CommandResult {
     };
     let channel = channel_lock.read();
 
-    let topic = if channel.topic.clone().unwrap() != String::from("") {
+    let topic = if channel.topic.clone().unwrap() != "" {
         channel.topic.clone().unwrap()
     } else {
         String::from("No channel topic found")