Levente Uzonyi wrote:
> On Sun, 17 Jan 2010, Nicolas Cellier wrote:
>
>> One of my first bug in st80 was
>>
>> strange
>> ^('foo' writeStream) nextPutAll: '-bar'; contents.
>>
>> At that time, writing pastEnd did use become:
>>
>> But if you really have time to pick an immutability bit in Newspeak,
>> we don't have to care anymore.
>
> If I had a free bit in the object header, I'd use it for extending the
> identity hash instead of useless things like immutability. IMO it was a
> mistake to add immutability for literals in other smalltalks only to
> avoid possible errors generated by the broken stream/collection semantics.
Literal immutability and other object immutability is only one use of
the so-called "immutability" bit. In reality, this bit is a "track
modifications" bit, and I find the other uses much more valuable.
Regards,
-Martin
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