Function workflow_optional_number

app/workflow/workflow.cpp:81–89

    const auto * value = object.find(key);
    if (value == nullptr || value->is_null()) {
        return std::nullopt;
    }
    return value->as_string();
}

std::optional<double> workflow_optional_number(
    const engine::io::json::Value & object,
    const std::string & key) {
    const auto * value = object.find(key);
    if (value == nullptr || value->is_null()) {
        return std::nullopt;
    }