On Wed, May 23, 2007 at 05:48:32PM +0300, Christos Chryssochoidis wrote:
>
> On 23 Μαϊ 2007, at 3:05 ΜΜ, Tom Verhoeff wrote:
>
> >It is not a trick, but has to do with type compatibility issues
> >(and history, I guess).
>
> I see. If I understand well, Pascal uses some sort of declaration
> equivalence for types.
Correct. In general, it is costly (or even hard/impossible) for
a compiler to determine equivalence of type _expressions_.
Variables and parameters declared with the same type _name_ are
(obviously) of the same type.
Tom
--
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