message: Fix formatting for visit/filter.rs
diff: @@ -50,7 +50,8 @@ where
  // Can't express these as a generic impl over all references since that would conflict with the
  // impl for Fn.
  impl<N> FilterNode<N> for &FixedBitSet
  - where FixedBitSet: VisitMap<N>
  +where
  + FixedBitSet: VisitMap<N>,
  {
  fn include_node(&self, n: N) -> bool {
  self.is_visited(&n)
  @@ -58,14 +59,14 @@ impl<N> FilterNode<N> for &FixedBitSet
  }
  impl<N, S> FilterNode<N> for &HashSet<N, S>
  - where HashSet<N, S>: VisitMap<N>,
  +where
  + HashSet<N, S>: VisitMap<N>,
  {
  fn include_node(&self, n: N) -> bool {
  self.is_visited(&n)
  }
  }
  -
  /// A node-filtering graph adaptor.
  #[derive(Copy, Clone, Debug)]
  pub struct NodeFiltered<G, F>(pub G, pub F);
  