What is Expressiveness in a Computer Language
rossberg at ps.uni-sb.de
Wed Jun 21 12:50:35 EDT 2006
Vesa Karvonen wrote:
>>>Indeed, the ability to declare a new type that has the exact same
>>>underlying representation and isomorphically identical operations but
>>>not be the same type is something I find myself often missing in
>>>languages. It's nice to be able to say "this integer represents vertical
>>>pixel count, and that represents horizontal pixel count, and you don't
>>>get to add them together."
>>Not counting C/C++, I don't know when I last worked with a typed
>>language that does *not* have this ability... (which is slightly
>>different from ADTs, btw)
> Would Java count?
Yes, you are right. And there certainly are more in the OO camp.
But honestly, I do not remember when I last had to actively work with
one of them, including Java... :-)
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