question.cxx

#include <memory>
#include <iostream>

template<class T> using S = std::enable_shared_from_this<T>;

struct A: S<A>    { auto fa() const -> void { std::cerr << this << "\n";} };
struct B: S<B>, A { auto fb() const -> void { std::cerr << this << "\n";} };

auto main() -> int
{
    auto p = std::make_shared<B>();

    p -> fa();
    p -> fb();

    std::cerr << p << "\n";
}

result.txt

0x8376a8
0x837698
0x837698

• http://stackoverflow.com/questions/22988709/why-different-this-address-in-using-inherited-the-stdenable-shared-from-this
• http://blog.wonderrabbitproject.net/2014/04/stackoverflow-stdenablesharedfromthisaa.html