void Feature::Visit(IVisitable& visitable)
{
if (m_pLanguage != nullptr) visitable.Accept(*m_pLanguage);
visitable.Accept(Tags());
visitable.Accept(*this);
if (m_pBackground != nullptr) {
m_pBackground->Visit(visitable);
}
for (ScenarioDefinition* scenario : m_ScenarioDefinitions)
{
scenario->Visit(visitable);
}
}
/*
* main
*/
int main()
{
GoVisitor v;
IVisitable * h = new Human;
IVisitable * f = new Fish;
IVisitable * b = new Bird;
h->accept( v ); // Human::walk
f->accept( v ); // Fish::swim
b->accept( v ); // Bird::fly
delete b;
delete f;
delete h;
}
bool IsMatch(const IVisitable& o)
{
matched_ = nullptr;
o.Accept(*this);
return matched_ != nullptr;
}
PrivateVisitor(IVisitable& v) { v.Accept(*this); }
void Example::Visit(IVisitable& visitable)
{
visitable.Accept(*this);
}