Add blank lines between functions

libconfig/src/lib.rs

@@ -66,6 +66,7 @@ fn parse_config<'a>(
     }
     Err(Error::KeyNotFoundError(key))
 }
+
 fn delete_old_entry<'a>(
     key: &str,
     file: fatfs::File<sd_reader::SdReader>,
@@ -82,6 +83,7 @@ fn delete_old_entry<'a>(
     }
     Ok(())
 }
+
 fn rename_file<'a>(dir: &fatfs::Dir<sd_reader::SdReader>, old_file_name: &str, new_file_name: &str) -> Result<'a, ()>{
     {
         let old_file = dir.open_file(old_file_name)?;
@@ -206,7 +208,7 @@ impl Config {
                         }
                     }
                 };
-                if need_to_rename { // docs: ensure no ref to files
+                if need_to_rename {
                     rename_file(&root_dir, config_txt_tmp, "/CONFIG.TXT")?;
                 }
             }