shared_ptr() [9/12]

template<typename T>

template<typename Y>

fl::shared_ptr< T >::shared_ptr ( const weak_ptr< Y > & weak )

explicit

Definition at line 209 of file weak_ptr.h.

                                                              : mPtr(nullptr), mControlBlock(nullptr) {
    if (!weak.expired()) {
        if (weak.mControlBlock && weak.mControlBlock->shared_count > 0) {
            ++weak.mControlBlock->shared_count;
            mPtr = weak.mPtr;
            mControlBlock = weak.mControlBlock;
        }
    }
    if (!mPtr) {
        // If construction failed (object was destroyed), throw bad_weak_ptr equivalent
        // For now, just leave as default-constructed (nullptr)
    }
}

References fl::FL_NO_EXCEPT, mControlBlock, mPtr, and weak_ptr.

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