change options mask in SZip filter to enum

ess-dmsc / h5cpp

C++ wrapper for the HDF5 C-library

https://ess-dmsc.github.io/h5cpp/

GNU Lesser General Public License v2.1

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change options mask in SZip filter to enum #560

Closed jkotan closed 2 years ago

jkotan commented 2 years ago

It would be good to change the option masks in SZip filter to OptionMask enum. Currently it is represented by static const unsigned int and not all possible values are exposed.