[issue16150] Implement generator interface in itertools.chain.

[Guido van Rossum]

Guido van Rossum added the comment:

TBH I don't think that using "yield from" in the docs makes things clearer at all -- it just requires readers to understand a rather esoteric feature.

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nosy: +gvanrossum

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16150>
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