issue_comments: 318957832

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https://github.com/pydata/xarray/pull/1496#issuecomment-318957832 https://api.github.com/repos/pydata/xarray/issues/1496 318957832 MDEyOklzc3VlQ29tbWVudDMxODk1NzgzMg== 6200806 2017-07-31T03:18:44Z 2017-07-31T03:18:44Z CONTRIBUTOR

Thanks @shoyer. I guess what I had in mind is the case where both x and y are scalars, while cond is still a condition on a. In that case you couldn't do x.where(cond, y); it would require either a.where(cond, x, y) or where(cond, x, y) being supported. Am I understanding that correctly? (If I'm not being clear, consider a concrete case by plugging in e.g. x=-2, y=0, and cond=(a.x + a.y < 5).)

a.where(cond, x, y) might seem odd, since it doesn't actually retain any of a's values, but then it could retain coordinates and attributes, so it might still be useful. And this differs from where(cond, x, y), which it seems would retain cond's coords and attrs.

 
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