diff options
Diffstat (limited to 'impl/Expression.hpp')
| -rw-r--r-- | impl/Expression.hpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/impl/Expression.hpp b/impl/Expression.hpp index 5cf82d4..4798e60 100644 --- a/impl/Expression.hpp +++ b/impl/Expression.hpp @@ -22,6 +22,9 @@ struct Expression { virtual T operator() (const VariableAssignment<T>& assignment) const { return (*_operator)(_arguments, assignment); } + virtual T operator() (const VariableAssignment<T>& assignment, VariableSet<T>* visited) const { + return (*_operator)(_arguments, assignment, visited); + } protected: Operator<T>* _operator; std::vector< Expression<T>* > _arguments; |