On 3/1/21, [email protected] <[email protected]> wrote:
> And there is no way to make a mutable bytes object without a function call.
Since a code object is immutable, the proposed bytearray display form
would still require an internal operation that constructs a bytearray
from a bytes object. For example, something like the following:
BUILD_BYTEARRAY 0
LOAD_CONST 0 (b'spam')
BYTEARRAY_EXTEND 1
> I propose an array-type string like the, or for the bytearray. It would work
> as a mutable b-string, as
>
> foo = a"\x00\x01\x02abcÿ" # a-string, a mutable bytes object.
> foo[0] = 123 # Item assignment
> foo+= 255 # Works the same as
Concatenating a sequence with a number shouldn't be allowed. OTOH, I
think `foo += [255]` should be supported as foo.extend([255]), but
bytearray doesn't allow it currently. `foo.append(255)` is supported.
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