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Comment by ajitk | Hacker News Reader

Till now I had never seen Ellipsis. It seems very similar to slice notation [:]. Found an StackOverflow comment [1] that has more details about usage of Ellipsis in slicing higher dimensional array numpy.

[1] http://stackoverflow.com/questions/118370/how-do-you-use-the...

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Here's a rare example of obfuscated python, deceptively called "Python's Ellipsis Explained": http://blog.brush.co.nz/2009/05/ellipsis/

The only way in which Ellipsis can be useful is to save one character by using it instead of pass in Python3, like:

    def foo():
        ...

It is really highly unusual and I wouldn't recommend the practice shown in the blog post at all as this is not a common pattern.

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