What is Expressiveness in a Computer Language
robert.thorpe at antenova.com
Tue Jun 20 18:33:59 CEST 2006
Ketil Malde wrote:
> "Rob Thorpe" <robert.thorpe at antenova.com> writes:
> > But it only gaurantees this because the variables themselves have a
> > type, the values themselves do not.
> I think statements like this are confusing, because there are
> different interpretations of what a "value" is. I would say that the
> integer '4' is a value, and that it has type Integer (for instance).
> This value is different from 4 the Int16, or 4 the double-precision
> floating point number. From this viewpoint, all values in statically
> typed languages have types, but I think you use 'value' to denote the
> representation of a datum in memory, which is a different thing.
Well I haven't been consistent so far :)
But I mean the value as the semantics of the program itself sees it.
Which mostly means the datum in memory.
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