Add clippy as an optional build feature

2 files changed, 7 insertions, 4 deletions

diff --git a/src/lib.rs b/src/lib.rs
index f7d0971..b0c1615 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,6 @@
+#![cfg_attr(feature="clippy", feature(plugin))]
+#![cfg_attr(feature="clippy", plugin(clippy))]
+
 extern crate irc;
 #[macro_use]
 extern crate lazy_static;
@@ -24,9 +27,9 @@ pub fn run() {
         .for_each_incoming(|message| {
             let message = Arc::new(message);
 
-            for plugin in plugins.clone().into_iter() {
+            for plugin in plugins.clone() {
                 let server = server.clone();
-                let message = message.clone();
+                let message = Arc::clone(&message);
 
                 spawn(move || {
                     let mut plugin = match plugin.lock() {
diff --git a/src/plugins/emoji.rs b/src/plugins/emoji.rs
index 6c24584..506fcd2 100644
--- a/src/plugins/emoji.rs
+++ b/src/plugins/emoji.rs
@@ -10,11 +10,11 @@ impl Emoji {
     fn emoji(&self, server: &IrcServer, content: &str, target: &str) -> Result<(), IrcError> {
 
         let mut names: Vec<String> = Vec::new();
-        for emoji in self.return_emojis(&content) {
+        for emoji in self.return_emojis(content) {
 
             names.push(match unicode_names::name(emoji) {
                            Some(v) => format!("{}", v).to_lowercase(),
-                           None => format!("UNKNOWN"),
+                           None => "UNKNOWN".to_string(),
                        });
         }