implement code review

src/style.rs

@@ -374,17 +374,16 @@ impl ProgressStyle {
             None => mem::take(cur),
         };
 
-        // If cur doesn't contain any newlines now, we can add
-        // the line as is.
-        if !expanded.contains('\n') {
-            lines.push(expanded);
-            return;
-        }
-
-        // However, if there are newlines, we need to split them up
+        // If there are newlines, we need to split them up
         // and add the lines separately so that they're counted
         // correctly on re-render.
-        for line in expanded.split('\n') {
+        for (i, line) in expanded.split('\n').enumerate() {
+            // No newlines found in this case
+            if i == 0 && line.len() == expanded.len() {
+                lines.push(expanded);
+                break;
+            }
+
             lines.push(line.to_string());
         }
     }