issue_comments: 406371878

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https://github.com/pydata/xarray/issues/2292#issuecomment-406371878 https://api.github.com/repos/pydata/xarray/issues/2292 406371878 MDEyOklzc3VlQ29tbWVudDQwNjM3MTg3OA== 1217238 2018-07-19T18:29:11Z 2018-07-20T15:39:10Z MEMBER

~~(2)~~ (1) seems like a pretty decent option to me. It's compatible with Python's duck-typing philosophy, and we don't really need string variable/dimension names for anything other than various serialization formats like netCDF. So the full requirement for names would be "Hashable, can be coerced with str() and not None" (we use None as a sentinel value to indicate the lack of a name in xarray).

CC @pydata/xarray in case anyone else has opinions.

 
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