diff options
Diffstat (limited to 'interpreter/eval.c')
| -rw-r--r-- | interpreter/eval.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/interpreter/eval.c b/interpreter/eval.c index aa70e5a..b82f9b2 100644 --- a/interpreter/eval.c +++ b/interpreter/eval.c @@ -114,8 +114,8 @@ bool match_expr(struct fuspel *rules, struct expression *expr, struct node **nod if ((int) (*node)->kind != (int) expr->kind) return 0; - if (!expr->var1) - return (*node)->var1 == NULL; + if (!expr->var1 || !(*node)->var1) + return expr->var1 == (*node)->var1; return match_expr(rules, expr->var1, (struct node**) &(*node)->var1, _repls) && |