to_if_held_down(const nlohmann::json& json) : dispatcher_client(),
current_held_down_id_(0) {
try {
if (json.is_object()) {
to_ = std::vector<to_event_definition>{
json.get<to_event_definition>(),
};
} else if (json.is_array()) {
to_ = json.get<std::vector<to_event_definition>>();
} else {
throw pqrs::json::unmarshal_error(fmt::format("json must be object or array, but is `{0}`", json.dump()));
}
} catch (...) {
detach_from_dispatcher();
throw;
}
}
void from_json(const nlohmann::json &j, Tensor &t) {
if ( j.size()!=6 || !j.is_array() )
throw std::runtime_error("Json->Tensor: array w. exactly six coefficients expected.");
t = Tensor(j[0],j[1],j[2],j[3],j[4],j[5]);
}