message: Do not require Eq for SmallSet::insert_hashed_unique_unchecked
diff: @@ -126,10 +126,7 @@ impl<T> SmallSet<T> {
  /// Insert an entry into the set without checking for a duplicate key.
  #[inline]
  - pub fn insert_hashed_unique_unchecked(&mut self, key: Hashed<T>)
  - where
  - T: Eq,
  - {
  + pub fn insert_hashed_unique_unchecked(&mut self, key: Hashed<T>) {
  self.0.insert_hashed_unique_unchecked(key, ());
  }
  