6 using namespace command;
10 typedef void OptionType;
19 Option<OptionType> option(NAME, "Option with void value", function);
21 if (option.understand(NAME)) {
25 cout << option.describe() << " do not understand void values\n";
30 cout << option.describe() << " handles void values\n";
34 cout << option.describe() << " do not handle void values\n" << endl;