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-rw-r--r--bfs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/bfs.h b/bfs.h
index 7a41537..3720b9a 100644
--- a/bfs.h
+++ b/bfs.h
@@ -203,6 +203,8 @@ struct expr {
bool always_true;
/** Whether this expression always evaluates to false. */
bool always_false;
+ /** Whether this expression never returns. */
+ bool never_returns;
/** Number of times this predicate was executed. */
size_t evaluations;