Method memUsage

openvdb/openvdb/util/PagedArray.h:340–343

@brief Return the memory footprint of this array in bytes.

    /// @brief Return the memory footprint of this array in bytes.
    size_t memUsage() const
    {
        return sizeof(*this) + mPageTable.size() * Page::memUsage();
    }

    /// @brief Return true if the container contains no elements.
    bool isEmpty() const { return mSize == 0; }