partial commit, before trying the new guide by claudeattempt1

1 files changed, 11 insertions, 6 deletions

diff --git a/chain/src/item/default/mod.rs b/chain/src/item/default/mod.rs
index eef7def..040079f 100644
--- a/chain/src/item/default/mod.rs
+++ b/chain/src/item/default/mod.rs
@@ -98,9 +98,10 @@ impl<T: GraphLabel> AsRef<DefaultForest<T>> for DefaultForest<T> {
 }
 
 impl<T: GraphLabel> ParentsGraph for DefaultForest<T> {
-    type Iter<'a>= <PLGraph<T> as ParentsGraph>::Iter<'a>
+    type Iter<'a>
+        = <PLGraph<T> as ParentsGraph>::Iter<'a>
     where
-        Self:'a;
+        Self: 'a;
 
     #[inline]
     fn parents_of(&self, node_id: usize) -> Result<<Self as ParentsGraph>::Iter<'_>, GError> {
@@ -123,21 +124,25 @@ impl<T: GraphLabel> ParentsGraph for DefaultForest<T> {
 }
 
 impl<T: GraphLabel> LabelGraph<T> for DefaultForest<T> {
-    type Iter<'a> = std::iter::Empty<usize>
+    type Iter<'a>
+        = std::iter::Empty<usize>
     where
         Self: 'a;
 
-    type TupleIter<'a> = std::iter::Empty<(T, usize)>
+    type TupleIter<'a>
+        = std::iter::Empty<(T, usize)>
     where
         Self: 'a,
         T: 'a;
 
-    type LabelIter<'a> = std::iter::Empty<(&'a T, <Self as LabelGraph<T>>::Iter<'a>)>
+    type LabelIter<'a>
+        = std::iter::Empty<(&'a T, <Self as LabelGraph<T>>::Iter<'a>)>
     where
         Self: 'a,
         T: 'a;
 
-    type EdgeLabelIter<'a> = std::iter::Empty<T>
+    type EdgeLabelIter<'a>
+        = std::iter::Empty<T>
     where
         Self: 'a,
         T: 'a;