use_count()

template<typename T>

long fl::shared_ptr< T >::use_count ( ) const

inlinenoexcept

Definition at line 279 of file shared_ptr.h.

                                    {
        if (!control_block_) return 0;
        if (control_block_->shared_count == detail::ControlBlockBase::NO_TRACKING_VALUE) {
            return 0;
        }
        return static_cast<long>(control_block_->shared_count);
    }

References control_block_, and fl::detail::ControlBlockBase::NO_TRACKING_VALUE.

Referenced by unique().

Here is the caller graph for this function: