weakRefNoCreate()

template<typename T>

WeakPtr< T > fl::Ptr< T >::weakRefNoCreate ( ) const

inline

Definition at line 287 of file ptr_impl.h.

                                                {
    if (!referent_) {
        return WeakPtr<T>();
    }
    WeakReferent *tmp = get()->getWeakPtr();
    if (!tmp) {
        return WeakPtr<T>();
    }
    T *referent = static_cast<T *>(tmp->getReferent());
    if (!referent) {
        return WeakPtr<T>();
    }
    // At this point, we know that our weak referent is valid.
    // However, the template parameter ensures that either we have
    // an exact type, or are at least down-castable of it.
    WeakPtr<T> out;
    out.mWeakPtr = tmp;
    if (out.mWeakPtr) {
        out.mWeakPtr->ref();
    }
    return out;
}

References fl::get(), fl::WeakReferent::getReferent(), fl::WeakPtr< T >::mWeakPtr, fl::WeakReferent::ref(), and referent_.

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