[issue29300] Modify the _struct module to use FASTCALL and Argument Clinic

[Martin Panter]

Martin Panter added the comment:

FYI Victor, you can make non-C-contiguous buffers by slicing memoryview:

>>> struct.unpack(">L", memoryview(b"1234")[::-1])
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
BufferError: memoryview: underlying buffer is not C-contiguous

Can also use the built-in _testbuffer module to create stranger buffers.

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resolution:  -> fixed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29300>
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