Giovanni Bajo wrote:
> Hello,
>
> I have observed a strange behaviour with shared_ptr:
>
> struct A
> {
> shared_ptr<int> ptr;
>
> operator bool()
> { return ptr; }
> };
>
> A a;
> a.ptr.reset(new int);
> assert(a.ptr);
> assert(a);
>
> Now, the second assertion fails (Comeau). It works if for example I
> change
> my operator bool into "return ptr ? true : false;". This is
> counter-intuitive to me. Can anybody explain me why?
Beats me. All other compilers I tried do not assert. On como,
assert((bool)a.ptr) passes, but even an explicit (bool)ptr inside the
conversion operator returns false.
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