src/traits.rs

@@ -210,6 +210,9 @@ pub trait GraphTopologyDeletion: GraphTopology {
 
 /// A cursor for traversing the incidences of a vertex one step at a time.
 ///
+/// Because the cursor is [`Copy`], its state can be saved and restored to replay or branch a
+/// traversal.
+///
 /// Cursors are obtained via [`GraphTopology::incidence_cursor`]. See
 /// [`GraphTopology::IncidenceCursor`] for guidance on when to prefer a cursor over
 /// [`GraphTopology::incidences`].