#ifndef APPS_NODE_H #define APPS_NODE_H #include "i18n.h" class Node { public: constexpr Node(I18n::Message label = I18n::Message::Default, int numberOfChildren = 0) : m_label(label), m_numberOfChildren(numberOfChildren) { }; virtual const Node * children(int index) const = 0; I18n::Message label() const; int numberOfChildren() const; bool isNull() const; protected: I18n::Message m_label; int m_numberOfChildren; }; #endif