Language design
Steven D'Aprano
steve+comp.lang.python at pearwood.info
Tue Jun 2 03:19:11 EDT 2015
On Tuesday 02 June 2015 10:10, TheDoctor wrote:
> On Friday, September 13, 2013 at 12:08:04 AM UTC-5, Steven D'Aprano wrote:
Mark, you are digging up a conversation from nearly two years ago.
Seriously?
>> It makes no difference whether I write:
>>
>> atoms -> stars -> galaxies
>>
>> or
>>
>> galaxies <- stars <- atoms
>>
>> nor does it make any difference if I write the chain starting at the top
>> and pointing down, or at the bottom and pointing up.
>
> Yes it does. Ford IS-A Car, but Car IS-A Ford? No. Try reordering that
> one.
Try again. Look at the direction of the arrows. Nobody denies that there is
a difference between:
atoms -> stars -> galaxies
galaxies -> stars -> atoms
but that's not what my second example says. Look closely, and consider that
sometimes we write "Mark's hat" and sometimes "the hat of Mark".
> I see we've missed each other with our limitations to ASCII text, in ways
> that would have never happened had these conversations occurred in person.
> Re-reading my texts, I see that I can easily confuse myself.
Yes, I see that.
--
Steve
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