last formating

Author: Sagebati

src/group_map.rs

@@ -9,9 +9,8 @@ use std::iter::Iterator;
 /// See [`.into_group_map()`](../trait.Itertools.html#method.into_group_map)
 /// for more information.
 pub fn into_group_map<I, K, V>(iter: I) -> HashMap<K, Vec<V>>
-    where
-        I: Iterator<Item=(K, V)>,
-        K: Hash + Eq,
+    where I: Iterator<Item=(K, V)>,
+          K: Hash + Eq,
 {
     let mut lookup = HashMap::new();