Function add_node

src/ui/model_data/src/model_data_actor.cpp:30–34

namespace {

utility::JsonTree *add_node(utility::JsonTree *node, const nlohmann::json &new_entry_data) {

    auto p = node->insert(std::next(node->begin(), node->size()), new_entry_data);
    return &(*p);
}

std::string path_from_node(utility::JsonTree *node) {
    if (!node->parent())