refactor: follow Clippy recommendations

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "oscar"
-version = "0.1.20"
+version = "0.1.21"
 authors = ["Adam Simpson <adam@heysparkbox.com>"]
 edition = "2018"
 description = "A CLI application to download videos from PBS. Ideally run in cron or another scheduler."

src/json.rs

@@ -60,7 +60,7 @@ impl Episode {
 
         videos.sort_by(|a, b| a.quality_rating().cmp(&b.quality_rating()));
 
-        return videos[0].proper_url();
+        videos[0].proper_url()
     }
 }
 
@@ -85,11 +85,11 @@ impl Video {
             return 3;
         }
 
-        return 99;
+        99
     }
 
     fn proper_url(&self) -> String {
-        return self.url.to_string();
+        self.url.to_string()
     }
 }
 

src/main.rs

@@ -91,23 +91,20 @@ fn fetch_show_list() -> Result<json::Collections, Box<dyn std::error::Error>> {
 fn main() {
     let opts = Opt::from_args();
 
-    match opts.command {
-        Some(Command::List) => {
-            let mut list = fetch_show_list().unwrap_or_else(|e| {
-                error!("List API request failed: {}", e);
-                process::exit(1)
-            });
-
-            list.tier_1.content.append(&mut list.tier_2.content);
-            list.tier_1.content.append(&mut list.tier_3.content);
-
-            for item in list.tier_1.content.iter() {
-                println!("{:?}", item.slug);
-            }
+    if let Some(Command::List) = opts.command {
+        let mut list = fetch_show_list().unwrap_or_else(|e| {
+            error!("List API request failed: {}", e);
+            process::exit(1)
+        });
+
+        list.tier_1.content.append(&mut list.tier_2.content);
+        list.tier_1.content.append(&mut list.tier_3.content);
 
-            process::exit(0)
+        for item in list.tier_1.content.iter() {
+            println!("{:?}", item.slug);
         }
-        None => {}
+
+        process::exit(0)
     }
 
     if !opts.silent {