Fix formatting

It looks like this project hadn't had `cargo fmt` ran on it for a while.
This did this. This is a no-op change, just fixing whatever invalid
formatting was introduced before this commit.

src/with.rs

@@ -160,7 +160,7 @@ pub mod singleton_map {
     impl<D> SingletonMap<D> {
         /// Create a new `SingletonMap`, wrapping either a `Serializer` or a `Deserializer`.
         pub fn new(delegate: D) -> Self {
-            SingletonMap {delegate}
+            SingletonMap { delegate }
         }
     }
 
@@ -307,8 +307,7 @@ pub mod singleton_map {
         where
             V: ?Sized + Serialize,
         {
-            self.delegate
-                .serialize_some(&SingletonMap::new(value))
+            self.delegate.serialize_some(&SingletonMap::new(value))
         }
 
         fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {

tests/test_de.rs

@@ -721,10 +721,17 @@ fn test_enum_untagged() {
     #[derive(Deserialize, PartialEq, Debug)]
     #[serde(untagged)]
     pub enum UntaggedEnum {
-        A { r#match: bool },
-        AB { r#match: String },
-        B { #[serde(rename = "if")] r#match: bool },
-        C(String)
+        A {
+            r#match: bool,
+        },
+        AB {
+            r#match: String,
+        },
+        B {
+            #[serde(rename = "if")]
+            r#match: bool,
+        },
+        C(String),
     }
 
     // A
@@ -735,7 +742,9 @@ fn test_enum_untagged() {
     }
     // AB
     {
-        let expected = UntaggedEnum::AB { r#match: "T".to_owned() };
+        let expected = UntaggedEnum::AB {
+            r#match: "T".to_owned(),
+        };
         let deserialized: UntaggedEnum = serde_yaml_ng::from_str("match: T").unwrap();
         assert_eq!(expected, deserialized);
     }