Function descend

src/serializers/schema_dependent/JsonSerializer.cpp:169–175

// to descend into decomposition, containment and property relationships.
template <typename A>
void descend(A* instance, json& tree, IfcUtil::IfcBaseEntity* parent = nullptr) {
    if (instance->declaration().is(IfcSchema::IfcObjectDefinition::Class())) {
        descend(instance->template as<IfcSchema::IfcObjectDefinition>(), tree, parent);
    } else {
        format_entity_instance(instance, tree);
    }
}

// @todo would be nice to generalize this with the XML version
//