Rust fmt applied

Author: kivancgnlp

solutions/24_file_io/file_io3.rs

@@ -33,7 +33,7 @@ fn create_required_files() -> Result<(), std::io::Error> {
 
     let dir_path = match file_path.parent() {
         Some(parent) => parent,
-        None => return Err(Error::other("Could not get parent path"))
+        None => return Err(Error::other("Could not get parent path")),
     };
 
     if !dir_path.exists() {