last formating
@@ -9,8 +9,7 @@ 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)>,
+ where I: Iterator<Item=(K, V)>,
K: Hash + Eq,
{
let mut lookup = HashMap::new();
