Thoughts about in contract inheritance
Jonathan M Davis
jmdavisProg at gmx.com
Wed Feb 29 14:47:39 PST 2012
On Wednesday, February 29, 2012 21:45:19 Timon Gehr wrote:
> On 02/29/2012 09:30 PM, Stewart Gordon wrote:
> > So what? It's a bug that compiler behaviour doesn't match the
> > documentation. You seem to be agreed that this is the case with what
> > happens to the contract where the override has no InStatement at all.
>
> I think in this case the documentation has not been updated yet because
> the feature is still experimental. Anyway, even with the documentation,
> many essential parts of the language are documented only on this
> newsgroup or through the compiler implementation, unspecified completely
> or only partly specified. I don't think it is currently possible to
> become completely proficient in D without reading this newsgroup.
It's certainly the case that when the spec does not match the compiler, you
_cannot_ assume that it's the spec that's correct. We have the spec, the
compiler, _and_ TDPL to worry about. If they don't agree, then TDPL is most
likely to be right out of the 3, but there's no guarantee. And definitely
between the spec and the compiler, you can't trust that the spec is more
correct than the compiler. It depends entirely on what the mismatch is. There
have been some recent fixes to the spec, so it's not as bad as it used to be,
but you can't really assume that what the spec is correct when it and the
compiler disagree.
- Jonathan M Davis
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