Method contains

extlibs/vili/src/node.cpp:531–546

    }

    bool node::contains(const std::string& key) const
    {
        if (is<object>())
        {
            const vili::object& map = std::get<object>(m_data);
            if (map.find(key) != map.cend())
            {
                return true;
            }
            return false;
        }
        else
        {
            throw exceptions::invalid_cast(object_type, to_string(type()), VILI_EXC_INFO);
        }
    }

    void node::erase(size_t index)
    {