static bool evaluate_relation(const char *, T, T);
template<typename T>
static T evaluate_arithmetic(char, T, T);
+ template<typename T>
+ static T evaluate_int_special_op(char, T, T);
+ template<typename T>
+ void convert_to_result(const Variant &);
void set_result(const Variant &, bool = false);
virtual void visit(RefPtr<Expression> &);