[issue19904] Add 128-bit integer support to struct

[Stefan Krah]

Stefan Krah added the comment:

If performance is the reason for the feature: My impression is that
the goal of the struct module is not necessarily top performance.

E.g. in memoryview the custom unpackers for comparisons are 30-60 times
faster than using the struct module.

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nosy: +skrah

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19904>
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