VisitableWith< Visitor > Struct Template Reference

#include <visitablewith.h>

Public Member Functions
virtual void	visit (Visitor &visitor)=0
virtual	~VisitableWith ()=default

Detailed Description

template<class Visitor>
struct VisitableWith< Visitor >

Example for two types that can be visited: A, B and visitor V.

struct V
{
 void operator()(A&) { std::cout << "A\n"; }
 void operator()(B&) { std::cout << "B\n"; }
};
 
struct A : VisitableWith<V>
{
 void visit(V& v) override { v(*this); }
 virtual ~A() = default;
};
 
struct B : VisitableWith<V>
{
 void visit(V& v) override { v(*this); }
 virtual ~B() = default;
};
 
int main()
{
 A a;
 B b;
 V v;
 
 using W = VisitableWith<V>;
 
 W& va = a;
 W& vb = b;
 
 va.visit(v);
 vb.visit(v);
}

gives

A B

Constructor & Destructor Documentation

~VisitableWith()

template<class Visitor >

virtual VisitableWith< Visitor >::~VisitableWith ( )

virtualdefault

Member Function Documentation

visit()

template<class Visitor >

virtual void VisitableWith< Visitor >::visit ( Visitor &  visitor )

pure virtual

---

The documentation for this struct was generated from the following file:

• src/common/visitablewith.h