re: issue #196

2019-10-14 00:07:22 -06:00
parent da89b1af63
commit 83ead46e13
2 changed files with 25 additions and 10 deletions
--- a/src/prolog/machine/attributed_variables.rs
+++ b/src/prolog/machine/attributed_variables.rs
@@ -111,6 +111,9 @@ impl MachineState {
                    HeapCellValue::Addr(Addr::StackCell(fr, sc)) => {
                        query_vars.insert(Addr::StackCell(fr, sc));
                    }
+                    HeapCellValue::Addr(Addr::AttrVar(h)) => {
+                        query_vars.insert(Addr::AttrVar(h));
+                    }
                    _ => {}
                };
            }