Serhiy Storchaka added the comment:
I think you rather need the inplace shift operation. Or even the move the tail
of buffer to the start without filling the remaining. I.e. something like
buffer[:size] = buffer[-size:]
but without creating immediate bytes object. Now it may be written as:
buffer[:size] = memoryview(buffer)[-size:]
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nosy: +serhiy.storchaka
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue3489>
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