Function push

src/ifcparse/aggregate_of_instance.h:121–123

    typedef std::vector<std::vector<IfcUtil::IfcBaseClass*>>::const_iterator outer_it;
    typedef std::vector<IfcUtil::IfcBaseClass*>::const_iterator inner_it;
    void push(const std::vector<IfcUtil::IfcBaseClass*>& instance) {
        list_.push_back(instance);
    }
    void push(const aggregate_of_instance::ptr& instance) {
        if (instance) {
            std::vector<IfcUtil::IfcBaseClass*> list;