build

Author: molpopgen

src/edge_differences.rs

@@ -74,6 +74,24 @@ pub type EdgeRemoval = EdgeDifference<Removal>;
 
 /// Manages iteration over trees to obtain
 /// edge differences.
-pub struct EdgeDifferencesIterator {}
+pub struct EdgeDifferencesIterator<'ts> {
+    treeseq: &'ts TreeSequence,
+}
 
-impl EdgeDifferencesIterator {}
+impl<'ts> EdgeDifferencesIterator<'ts> {
+    pub(crate) fn new(treeseq: &'ts TreeSequence) -> Self {
+        todo!()
+    }
+}
+
+pub struct EdgeDifferences<'ts> {
+    marker: std::marker::PhantomData<&'ts ()>,
+}
+
+impl<'ts> Iterator for EdgeDifferencesIterator<'ts> {
+    type Item = EdgeDifferences<'ts>;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        todo!()
+    }
+}

src/trees/treeseq.rs

@@ -478,15 +478,10 @@ impl TreeSequence {
     }
 
     /// Build a lending iterator over edge differences.
-    ///
-    /// # Errors
-    ///
-    /// * [`TskitError`] if the `C` back end is unable to allocate
-    ///   needed memory
     pub fn edge_differences_iter(
         &self,
-    ) -> Result<crate::edge_differences::EdgeDifferencesIterator, TskitError> {
-        crate::edge_differences::EdgeDifferencesIterator::new_from_treeseq(self, 0)
+    ) -> crate::edge_differences::EdgeDifferencesIterator {
+        crate::edge_differences::EdgeDifferencesIterator::new(self)
     }
 
     /// Reference to the underlying table collection.