[ET Trac] [Einstein Toolkit] #1849: CarpetIOHDF5: fix check for old string datatype

[Einstein Toolkit]

#1849: CarpetIOHDF5: fix check for old string datatype
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  Reporter:  knarf   |       Owner:  eschnett           
      Type:  defect  |      Status:  review             
  Priority:  minor   |   Milestone:                     
 Component:  Carpet  |     Version:  development version
Resolution:          |    Keywords:  hdf5               
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Comment (by eschnett):

 I think this should use {{{H5Tget_class}}} instead of {{{detect_class}}}.
 The latter is meant to recursively examine structures, not find the
 property of a single type.

 {{{
 H5Tget_class(datatype) == H5T_STRING
 }}}

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1849#comment:2>
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