add new rustfmt.toml and reformat code

src/helpers/json.rs

@@ -63,11 +63,7 @@ pub fn to_file<P: AsRef<Path>>(data: &Data, path: P) -> Result<()> {
 }
 
 /// Attempts to serialize a Data struct to a file
-pub fn to_file_with_options<P: AsRef<Path>>(
-    data: &Data,
-    path: P,
-    options: OpenOptions,
-) -> Result<()> {
+pub fn to_file_with_options<P: AsRef<Path>>(data: &Data, path: P, options: OpenOptions) -> Result<()> {
     let path = path.as_ref();
     let file = options.open(path)?;
     to_writer(data, file)?;

src/helpers/toml.rs

@@ -63,11 +63,7 @@ pub fn to_file<P: AsRef<Path>>(data: &Data, path: P) -> Result<()> {
 }
 
 /// Attempts to serialize a Data struct to a file
-pub fn to_file_with_options<P: AsRef<Path>>(
-    data: &Data,
-    path: P,
-    options: OpenOptions,
-) -> Result<()> {
+pub fn to_file_with_options<P: AsRef<Path>>(data: &Data, path: P, options: OpenOptions) -> Result<()> {
     let path = path.as_ref();
     let file = options.open(path)?;
     to_writer(data, file)?;