progress

Author: molpopgen

src/edge_differences.rs

@@ -129,7 +129,18 @@ pub struct X<'ts, T: EdgeDifferenceIteration> {
 impl<'ts, T: EdgeDifferenceIteration> Iterator for X<'ts, T> {
     type Item = EdgeDifference<T>;
     fn next(&mut self) -> Option<Self::Item> {
-        todo!()
+        if self.removals.0 < self.removals.1 {
+            let index = self.removals.0;
+            self.removals.0 += 1;
+            Some(Self::Item::new(
+                self.edges_left[index],
+                self.edges_right[index],
+                self.edges_parent[index],
+                self.edges_child[index],
+            ))
+        } else {
+            None
+        }
     }
 }
 
@@ -151,7 +162,7 @@ impl<'ts> EdgeDifferences<'ts> {
             edges_right: self.edges_right,
             edges_parent: self.edges_parent,
             edges_child: self.edges_child,
-            removals: self.removals,
+            removals: self.insertions,
             marker: std::marker::PhantomData::<Insertion> {},
         }
     }