diff options
Diffstat (limited to 'evaluator.cpp')
| -rw-r--r-- | evaluator.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/evaluator.cpp b/evaluator.cpp index c5721ae..954a488 100644 --- a/evaluator.cpp +++ b/evaluator.cpp @@ -13,6 +13,9 @@ evaluator::evaluate( value * l, value * r) { + if (!l || !r) { + return default_evaluate(l, r); + } enum value_type l_type = l->get_type(); enum value_type r_type = r->get_type(); switch(l_type) { |