[issue12805] Optimizations for bytes.join() et. al

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

Honestly, I don't think there's much point in these optimizations. The first one ("The sequence length and separator length are both 0") is probably useless.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12805>
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