[issue35210] Use bytes + memoryview + resize instead of bytesarray + array in io.RawIOBase.read

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

What if readinto() save a reference to its argument?

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nosy: +serhiy.storchaka

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<https://bugs.python.org/issue35210>
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