Stefan Krah added the comment:
Disallowing non-contiguous arrays leads to very strange situations though.
I'm positive that there will be a bug report about this:
>>> x = memoryview(b'abc')[::-1]
>>> b = b'cba'
>>> d = {b'cba': 101}
>>>
>>> b in d
True
>>> x == b
True
>>> x in d
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: memoryiew: hashing is restricted to C-contiguous arrays
Could we perhaps take a small poll? My own vote is:
1) Allow bytes hashing at all: +0.5
2) If 1) is allowed, then also non-contiguous hashing is allowed: +1
3) Allow multi-dimensional hashing: +-0
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<http://bugs.python.org/issue15814>
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