Format in rfc style

serde/src/de/impls.rs

@@ -1039,7 +1039,8 @@ impl<'de> Visitor<'de> for OsStringVisitor {
 
         match try!(data.variant()) {
             (OsStringKind::Windows, v) => {
-                v.newtype_variant::<Vec<u16>>().map(|vec| OsString::from_wide(&vec))
+                v.newtype_variant::<Vec<u16>>()
+                    .map(|vec| OsString::from_wide(&vec))
             }
             (OsStringKind::Unix, _) => Err(Error::custom("cannot deserialize Unix OS string on Windows",),),
         }
@@ -1151,7 +1152,7 @@ where
 
 impl<'de, T> Deserialize<'de> for RefCell<T>
 where
-    T: Deserialize<'de>
+    T: Deserialize<'de>,
 {
     fn deserialize<D>(deserializer: D) -> Result<RefCell<T>, D::Error>
     where

serde/src/de/value.rs

@@ -922,7 +922,8 @@ where
     Second<I::Item>: Debug,
 {
     fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
-        formatter.debug_struct("MapDeserializer")
+        formatter
+            .debug_struct("MapDeserializer")
             .field("iter", &self.iter)
             .field("value", &self.value)
             .field("count", &self.count)

serde/src/private/de.rs

@@ -191,7 +191,8 @@ pub mod size_hint {
     use lib::*;
 
     pub fn from_bounds<I>(iter: &I) -> Option<usize>
-        where I: Iterator
+    where
+        I: Iterator,
     {
         helper(iter.size_hint())
     }
@@ -202,9 +203,7 @@ pub mod size_hint {
 
     fn helper(bounds: (usize, Option<usize>)) -> Option<usize> {
         match bounds {
-            (lower, Some(upper)) if lower == upper => {
-                Some(upper)
-            }
+            (lower, Some(upper)) if lower == upper => Some(upper),
             _ => None,
         }
     }
@@ -1026,10 +1025,7 @@ mod content {
         type Error = E;
         type Variant = VariantDeserializer<Self::Error>;
 
-        fn variant_seed<V>(
-            self,
-            seed: V,
-        ) -> Result<(V::Value, VariantDeserializer<E>), Self::Error>
+        fn variant_seed<V>(self, seed: V) -> Result<(V::Value, Self::Variant), E>
         where
             V: de::DeserializeSeed<'de>,
         {