clippy

src/commands/apt.rs

@@ -9,7 +9,7 @@ pub fn query_apt(ctx: Context, msg: Message, args: Vec<&str>) {
         &format!("https://sources.debian.org/api/src/{}/", &query),
         |_e| EMPTY_RESULT,
     );
-    if response.versions.len() == 0 {
+    if response.versions.is_empty() {
         send(msg.channel_id, "No results", &ctx);
         return;
     }
@@ -24,7 +24,7 @@ fn convert_versions(res: Response) -> Vec<Package> {
             packages.push(Package {
                 area: version.area.clone(),
                 name: res.package.clone(),
-                suite: suite,
+                suite,
                 version: version.version.clone(),
             });
         }

src/commands/mod.rs

@@ -24,14 +24,13 @@ impl EventHandler for Handler {
         if msg.content.starts_with(PREFIX) {
             if let Some(command) = COMMANDS
                 .iter()
-                .filter(|&c| msg.content.starts_with(&c.trigger))
-                .next()
+                .find(|&c| msg.content.starts_with(&c.trigger))
             {
                 let content = msg.content.clone();
                 let mut args = content.split_whitespace().collect::<Vec<_>>();
                 // the prefix + trigger
                 args.remove(0);
-                if args.len() == 0 {
+                if args.is_empty() {
                     send(
                         msg.channel_id,
                         "Error: expected at least 1 additional argument",
@@ -72,13 +71,13 @@ pub fn send(target: ChannelId, message: &str, ctx: &Context) {
     }
 }
 
-pub fn respond_with_results<T: fmt::Display>(target: ChannelId, results: &Vec<T>, ctx: &Context) {
+pub fn respond_with_results<T: fmt::Display>(target: ChannelId, results: &[T], ctx: &Context) {
     send(
         target,
         &format!(
             "```{}```",
             results
-                .into_iter()
+                .iter()
                 .take(5)
                 .map(|p| format!("{}\n", p))
                 .collect::<String>()
@@ -88,7 +87,7 @@ pub fn respond_with_results<T: fmt::Display>(target: ChannelId, results: &Vec<T>
 }
 
 pub fn search<T: DeserializeOwned>(url: &str, fallback: impl Fn(reqwest::Error) -> T) -> T {
-    return search_inner(url).unwrap_or_else(fallback);
+    search_inner(url).unwrap_or_else(fallback)
 }
 
 fn search_inner<T: DeserializeOwned>(url: &str) -> Result<T, reqwest::Error> {

src/commands/nix.rs

@@ -10,7 +10,7 @@ pub fn query_nix(ctx: Context, msg: Message, args: Vec<&str>) {
     // we know for sure that there’s at least one element here
     let query = args[0];
     match NIX_PACKAGES.packages.get(query) {
-        Some(result) => respond_with_results(msg.channel_id, &vec![result], &ctx),
+        Some(result) => respond_with_results(msg.channel_id, &[result], &ctx),
         None => send(msg.channel_id, "No results", &ctx),
     }
 }

src/commands/pacman.rs

@@ -14,7 +14,7 @@ pub fn query_pacman(ctx: Context, msg: Message, args: Vec<&str>) {
             |_e| EMPTY_RESULT,
         );
         // this is 1 for most packages and 2 if there’s a second version in testing
-        if response.results.len() != 0 {
+        if response.results.is_empty() {
             respond_with_results(msg.channel_id, &response.results, &ctx);
             return;
         }
@@ -27,7 +27,7 @@ pub fn query_pacman(ctx: Context, msg: Message, args: Vec<&str>) {
         ),
         |_e| EMPTY_RESULT,
     );
-    if response.results.len() == 0 {
+    if response.results.is_empty() {
         send(msg.channel_id, "No results", &ctx);
         return;
     }