Content deleted Content added
m →Overview: Typography and ___location of references |
Fix compilation error in C++ code |
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Line 63:
return topic != NO_HELP_TOPIC;
}
virtual void setHandler(HelpHandler*, Topic) {}
virtual void handleHelp() {
std::cout << "HelpHandler::handleHelp\n";
// (optional) implements the successor link.
if (successor != nullptr) {
successor->handleHelp();
}
}
virtual ~HelpHandler() = default;
HelpHandler(const HelpHandler&) = delete; // rule of three
HelpHandler& operator=(const HelpHandler&) = delete;
private:
HelpHandler* successor;
Topic topic;
};
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