Method checkWritable

lib/core/bytes.cc:97–107

}

void Bytes::checkWritable()
{
    if (_data.use_count() != 1)
    {
        auto newData = createVector(size());
        std::uninitialized_copy(cbegin(), cend(), newData->begin());
        _data = newData;
        _low = 0;
        _high = newData->size();
    }
}

void Bytes::adjustBounds(unsigned pos)
{