improve retract/1 and related predicates (#1598)

2023-01-22 20:14:36 -07:00
parent 5e0e3e2754
commit a7e93db363
11 changed files with 315 additions and 107 deletions
--- a/src/machine/machine_state_impl.rs
+++ b/src/machine/machine_state_impl.rs
@@ -2786,7 +2786,7 @@ impl MachineState {

        if self.e > self.b {
            let frame = self.stack.index_and_frame(self.e);
-            let size = AndFrame::size_of(frame.prelude.univ_prelude.num_cells);
+            let size = AndFrame::size_of(frame.prelude.num_cells);

            self.stack.truncate(self.e + size);
        }