diff options
Diffstat (limited to 'eval.c')
-rw-r--r-- | eval.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -6,7 +6,6 @@ Goal *addgoals(Goal *, Term *); Term *findclause(Term *, Term *, Binding **); -int unify(Term *, Term *, Binding **); int equalterms(Term *, Term *); void applybinding(Term *, Binding *); Goal *copygoals(Goal *); @@ -77,6 +76,7 @@ Retry: Backtrack: if(choicestack == nil) return 0; + print("Backtracking..\n"); Choicepoint *cp = choicestack; choicestack = cp->next; /* freegoals(goals) */ |