On Wed, Oct 12, 2016 at 2:32 PM, Serhiy Storchaka <storch...@gmail.com> wrote:
> On 12.10.16 07:08, INADA Naoki wrote:
>> Sample code:
>> def read_line(buf: bytearray) -> bytes:
>> n = buf.index(b'\r\n')
>> except ValueError:
>> return b''
>> line = bytes(buf)[:n] # bytearray -> bytes -> bytes
> Wouldn't be more correct to write this as bytes(buf[:n])?
Yes, you're right!
I shouldn't copy whole data only for cast from bytearray to byte.
>> Adding one more constructor to bytes:
>> # when length=-1 (default), use until end of *byteslike*.
>> bytes.frombuffer(byteslike, length=-1, offset=0)
> This interface looks unusual. Would not be better to support the interface
> of buffer in Python 2: buffer(object [, offset[, size]])?
It looks better.
(Actually speaking, I love deprecated old buffer for simplicity.
memoryview supports non bytes-like complex data types.)
INADA Naoki <songofaca...@gmail.com>
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