I am writing C++ code that interfaces with the HDF5 C API. Specifically, I am using a unique_ptr with a custom deleter to manage objects through their hid_t references. Does the HDF5 library ever return a zero hid_t as a reference to a valid HDF5 object, or can hid_t=0 be used as a sort of "null pointer"?
Thank you, John Jumper
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