1*c6c8d4a1SAndrew Gallagher #pragma once 2*c6c8d4a1SAndrew Gallagher 3*c6c8d4a1SAndrew Gallagher struct Tag {}; 4*c6c8d4a1SAndrew Gallagher 5*c6c8d4a1SAndrew Gallagher template <typename T> 6*c6c8d4a1SAndrew Gallagher class Base { 7*c6c8d4a1SAndrew Gallagher public: 8*c6c8d4a1SAndrew Gallagher virtual void func() = 0; 9*c6c8d4a1SAndrew Gallagher }; 10*c6c8d4a1SAndrew Gallagher 11*c6c8d4a1SAndrew Gallagher Base<Tag> bar(); 12