I thought of a range datatype too, and it would pobably have its uses, but
my intent was not to promote a new type so much as to indicate a position
far more elegantly and precisely described by Gabriele.
Regards,
Brett.
----- Original Message -----
From: "Carl Read" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, October 20, 2003 8:33 PM
Subject: [REBOL] Re: Cunning use of [], () & {} in R# and in future? Rebol
versions?
>
> On 20-Oct-03, Brett Handley wrote:
>
> > As Max wrote:
> >> I love philosophy so, nothing here is personal... :-)
>
> >> Volker suggested:
> >>> how about extending path syntax?
> >>> a/5:10
>
> >> How about these two alternatives:
> >> a/5-10
> >> a/5..10
> >> ?
> >> Both use reasonably common indicators which mean "missing
> >> something out,
> >> which is very obvious".
>
> > Paths are a series of values - each value in the series having a
> > datatype.
>
> > So is a/5..10 one path of length two - the second value (5..10)
> > being a new datatype? Something like a pair?
>
> Curiously, 5..10 is already a valid datatype...
>
> >> 5..10
> == 5.0.10
>
> 5-10 isn't though...
>
> >> 5-10
> ** Syntax Error: Invalid date -- 5-10
> ** Near: (line 1) 5-10
>
> If a new datatype, it'd be called range! I guess. But how to indicate
> first or last? Maybe...
>
> 5-10
> *-10
> 5-*
>
> or some alternative to an asterix, though not a colon, as it'd be much
> too confusing in a path.
>
> > But if it is a new datatype we would want to store them in a block
>
> > a: [1..3 5..10]
> > a/5..10 ...oh oh.
>
> > Or is a/5..10 meaning that .. is an operator with the necessary
> > whitespace missing in which case it should be written
> > a/5 .. 10
> > or perhaps even
> > .. a/5 10
>
> > Hmm...
>
> > I don't doubt that REBOL can be improved, but I've don't think I've
> > seen any compelling suggestion on this thread yet - though I do
> > admit, lots of innovation! :^)
>
> > Then again, I still occasionally lament the removal of aggressively
> > evaluated paths so who am I to comment?! (-:
>
> > Brett.
>
>
> --
> Carl Read
>
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