structured_binding_custom_type.cpp

int main()
{
    B b(1, 'a', 'b', 'e');
    auto [e1, e2, e3, e4] = b;
    assert(e1 == b.a);
    assert(e2 == b.c);
    assert(e3 == b.d);
    assert(e4 == b.e);
}