Refactor error handling into a if-let

src/main.rs

@@ -268,13 +268,11 @@ fn main() {
     let _ = ansi_term::enable_ansi_support();
 
     let result = run();
-    match result {
-        Err(err) => {
-            // The whitespace is being removed from the right because
-            // clap errors add a newline to the end of the output already
-            eprintln!("Error: {}", format!("{}", err).trim_right());
-            std::process::exit(1);
-        }
-        Ok(()) => {}
+
+    if let Err(err) = result {
+        // The whitespace is being removed from the right because
+        // clap errors add a newline to the end of the output already
+        eprintln!("Error: {}", format!("{}", err).trim_right());
+        std::process::exit(1);
     }
 }