in a class, i declare some dev_ptr and cudaMalloc them, in the destructor function, if i need to do the ‘dev_ptr = nullptr’ after ‘cudaFree(dev_ptr)’, any help，thanks.
cudaFree doesn’t guarantee any value for the passed pointer, so if you desire that it be nullptr, you should set it that way in your destructor, after a successful return from cudaFree.
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