[REBOL] Re: How to check validity of types ?

[CRS - Psy Sel/SPO, COUSSEMENT Christophe, CPN]

Thanks Elan.

So stupid of me I didn't think about that ;-(

chr==


> -----Original Message-----
> From: Elan [SMTP:[EMAIL PROTECTED]]
> Sent: maandag 15 januari 2001 20:05
> To:   [EMAIL PROTECTED]
> Subject:      [REBOL] Re: How to check validity of types ?
> 
> Hi Christian, 
> 
> the reason you get this behavior is that the words in the block,
> [integer! string!], are not bound to the REBOL global context. Simply
> say
> 
> b: reduce [integer! string!]
> 
> and that will do the trick. When you reduce the block REBOL binds the
> words to the global context and now integer! = first b == true, and
> string! = second b == true as well.
> 
> 
> Hope this helps,
> 
> Elan
> 
> 
> "CRS - Psy Sel/SPO, COUSSEMENT Christophe, CPN" wrote:
> > 
> > Hi REBOLs,
> > 
> > I would like to check if a provided value meets pre-defined type
> > requirements...
> > 
> > So I define the valid types into a block 'b:
> > 
> > >> b: [integer! string!]
> > == [integer! string!]
> > >> first b
> > == integer!
> > >> value: make integer! 1
> > == 1
> > >> type? value
> > == integer!
> > 
> > And I check the requirement:
> > 
> > >> (type? value) = first b
> > == false
> > 
> > Of course the assumed answer was 'right...
> > 
> > What did I  wrong ? Is there another way to get what I want ? Any idea,
> > suggestion ?
> > 
> > thx a lot for answering
> > CU, chr==
> > 
> > --
> > To unsubscribe from this list, please send an email to
> > [EMAIL PROTECTED] with "unsubscribe" in the
> > subject, without the quotes.
> -- 
> To unsubscribe from this list, please send an email to
> [EMAIL PROTECTED] with "unsubscribe" in the 
> subject, without the quotes.
-- 
To unsubscribe from this list, please send an email to
[EMAIL PROTECTED] with "unsubscribe" in the 
subject, without the quotes.