Use consistent syntax

src/libstd/collections/hash/table.rs

@@ -466,7 +466,7 @@ impl<K, V, M> FullBucket<K, V, M> where M: Deref<Target=RawTable<K, V>> + DerefM
     }
 }
 
-impl<'t, K, V, M: Deref<Target=RawTable<K, V>> + 't> FullBucket<K, V, M> {
+impl<'t, K, V, M> FullBucket<K, V, M> where M: Deref<Target=RawTable<K, V>> + 't {
     /// Exchange a bucket state for immutable references into the table.
     /// Because the underlying reference to the table is also consumed,
     /// no further changes to the structure of the table are possible;
@@ -480,7 +480,7 @@ impl<'t, K, V, M: Deref<Target=RawTable<K, V>> + 't> FullBucket<K, V, M> {
     }
 }
 
-impl<'t, K, V, M: Deref<Target=RawTable<K, V>> + DerefMut + 't> FullBucket<K, V, M> {
+impl<'t, K, V, M> FullBucket<K, V, M> where M: Deref<Target=RawTable<K, V>> + DerefMut + 't {
     /// This works similarly to `into_refs`, exchanging a bucket state
     /// for mutable references into the table.
     pub fn into_mut_refs(self) -> (&'t mut K, &'t mut V) {
@@ -491,7 +491,7 @@ impl<'t, K, V, M: Deref<Target=RawTable<K, V>> + DerefMut + 't> FullBucket<K, V,
     }
 }
 
-impl<K, V, M: Deref<Target=RawTable<K, V>>> GapThenFull<K, V, M> {
+impl<K, V, M> GapThenFull<K, V, M> where M: Deref<Target=RawTable<K, V>> {
     #[inline]
     pub fn full(&self) -> &FullBucket<K, V, M> {
         &self.full