Code AnalysisBeginner 60s

CRTP Static Dispatch Output

What does this print?

Starter code

#include <iostream>
template<class D> struct Base { void call(){ static_cast<D*>(this)->impl(); } };
struct X : Base<X> { void impl(){ std::cout << "X"; } };
int main(){ X x; Base<X>& b = x; b.call(); }

crtp static-dispatch templates

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