weak_ptr() [4/6]

template<typename T>

template<typename Y>

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

inlinenoexcept

Definition at line 38 of file weak_ptr.h.

                                                   : ptr_(shared.ptr_), control_block_(shared.control_block_) {
        if (control_block_) {
            ++control_block_->weak_count;
        }
    }

References control_block_, and shared_ptr.

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