[racket-dev] Release Announcement for v5.0.1 -- final version

Signatures are documented but in German. It is on my list to 
'translate' this for the next release. -- Matthias




On Aug 2, 2010, at 5:57 AM, Jay McCarthy wrote:

> I don't know anything about signatures, since they're not documented
> or advertised.
> 
> I don't know why it isn't included... I thought the patch was cherry
> picked. I didn't test it in the release because I added the tests for
> the feature to tests/racket/advanced.rktl
> 
> Jay
> 
> On Mon, Aug 2, 2010 at 1:49 AM, Michael Sperber <sperber at deinprogramm.de> wrote:
>> 
>> Eli Barzilay <eli at barzilay.org> writes:
>> 
>>> I don't know of any plan for signatures, but if it would be bad to
>>> advertise it if it's not included...  Jay/Ryan--??
>> 
>> Signatures are already in there (look in the log in collects/lang) -
>> they're just not documented yet.  They already give you this, for
>> example:
>> 
>> (define-struct foo (a b))
>> (define-struct bar (c d))
>> (define foo-or-bar
>>  (signature (mixed foo bar)))
>> 
>> At the very least, `define-datatype' should also define a signature.
>> 
>> --
>> Cheers =8-} Mike
>> Friede, Völkerverständigung und überhaupt blabla
>> 
> 
> 
> 
> -- 
> Jay McCarthy <jay at cs.byu.edu>
> Assistant Professor / Brigham Young University
> http://teammccarthy.org/jay
> 
> "The glory of God is Intelligence" - D&C 93
> _________________________________________________
>  For list-related administrative tasks:
>  http://lists.racket-lang.org/listinfo/dev