add AttrVar variant to Addr

2019-01-26 20:46:37 -07:00
parent 6e735bc2d4
commit 4f87fb8535
5 changed files with 26 additions and 17 deletions
--- a/src/prolog/heap_iter.rs
+++ b/src/prolog/heap_iter.rs
@@ -65,7 +65,7 @@ impl<'a> HCPreOrderIterator<'a> {

                da
            },
-            Addr::HeapCell(_) | Addr::StackCell(_, _) => da,
+            Addr::AttrVar(_) | Addr::HeapCell(_) | Addr::StackCell(_, _) => da,
            Addr::Str(s) => self.follow_heap(s) // record terms of structure.
        }
    }