Re: The last shall be last

2004-09-06 Thread Smylers
John Williams writes: > On Sun, 5 Sep 2004, Matt Diephouse wrote: > > > Don't say -1st is the "first from last". If last is the opposite of > > first, I would expect 1st to mean "first from first," which would > > mean the second. Say "first from the end". > > It matches up with perl5 C<$array[-

Re: The last shall be last

2004-09-06 Thread John Williams
On Sun, 5 Sep 2004, Matt Diephouse wrote: > Am I the only one that thinks that -1st should return the last element > in an array under the nth scheme? 1st should mean the first element. > -1st should mean the first element of the reversed array. > > Don't say -1st is the "first from last". If last

Re: Synopsis 9 draft 1

2004-09-06 Thread Larry Wall
On Sat, Sep 04, 2004 at 09:47:29AM +0200, Leopold Toetsch wrote: : Honestly I don't see the point why all "normal" array usage should be : slowed down just for the sake of some rare usage patterns. Another possibility is that .[] always forces the "normal" view of an array as 0-based, and if you w

Re: Synopsis 9 draft 1

2004-09-06 Thread Larry Wall
On Mon, Sep 06, 2004 at 10:13:56AM +0200, Leopold Toetsch wrote: : A different vtable implies some kind of a derived class. The question : is, if an "of shape" or "is shape" already causes a new class of : arrayish objects. : The question probably is: how much of this class code is done directly :

Re: What Requires Core Support (app packaging)

2004-09-06 Thread Simon Cozens
[EMAIL PROTECTED] (John Siracusa) writes: > Don't you think it's preferable to temp-expanding and compiling at runtime? Not if it's slower, no. The choice was made not to go with bytecode because of a deficiency in Perl. If that deficiency wasn't there, then sure, go with bytecode. But you're mis

Re: Roles trying to be nice

2004-09-06 Thread Jonathan Scott Duff
On Mon, Aug 30, 2004 at 12:17:57PM -0500, Abhijit Mahabal wrote: > Another example to clarify what I am getting at: > > Role Log2File [: $filename] { method do_the_logging {...}; ... } > Role Log2Email [: $address ] { method do_the_logging {...}; ... } > Role Log2Tk[: $widget ] { method do

Re: What Requires Core Support (app packaging)

2004-09-06 Thread Autrijus Tang
(not on the list, please Cc me in replies.) On Sun, Sep 05, 2004 at 08:49:20PM -0400, John Siracusa wrote: > PAR doesn't compile or precompile to bytecode, it packages, temp-expands, > and runs. It's closest to item #2 in my feature list, but it's something > very different than compiling down to

Re: What Requires Core Support (app packaging)

2004-09-06 Thread Nicholas Clark
On Mon, Sep 06, 2004 at 12:28:16PM -0400, John Siracusa wrote: > Hm, well, features of the perl6 executable itself aren't really fodder for > the parrot lists (are they?)...although I forget where they've been > discussed in the past. Anyway, the long-suffering internals guys are still > hashing

Re: What Requires Core Support (app packaging)

2004-09-06 Thread John Siracusa
On 9/6/04 12:21 PM, Nicholas Clark wrote: >> I think packaging has the same characteristics. But unlike CPAN, packaging >> does require some minimum amount of core support to meet what I consider to >> be the minimum standard of elegance. > > I think that this is true. I'm not sure what the minim

Re: S4: Can PRE and POST be removed from program flow?

2004-09-06 Thread John Siracusa
On 9/6/04 12:13 PM, Nicholas Clark wrote: > On Sat, Sep 04, 2004 at 09:44:54PM -0400, John Siracusa wrote: >> Finally, platform independent execution of any packaged or precompiled >> single file will *require* cooperation (core support) from the perl >> executable itself. PAR is neat, but it does

Re: What Requires Core Support (app packaging)

2004-09-06 Thread Nicholas Clark
On Sun, Sep 05, 2004 at 10:40:24AM -0400, John Siracusa wrote: > 3. The single-file, platform independent, non-source executable (P6exe). > This is bytecode or some other platform neutral representation of the SDoF. > I just don't see how to do this at all without core support. (Well, I > suppose

Re: S4: Can PRE and POST be removed from program flow?

2004-09-06 Thread Nicholas Clark
On Sat, Sep 04, 2004 at 09:44:54PM -0400, John Siracusa wrote: > Finally, platform independent execution of any packaged or precompiled > single file will *require* cooperation (core support) from the perl > executable itself. PAR is neat, but it doesn't even match up that well with > JAR, which

Re: What Requires Core Support (app packaging)

2004-09-06 Thread John Siracusa
On 9/6/04 3:48 AM, Simon Cozens wrote: > [EMAIL PROTECTED] (John Siracusa) writes: >> PAR doesn't compile or precompile to bytecode, it packages, temp-expands, >> and runs. > > It *could* do this, but loading bytecode in Perl 5 is slower than loading > and compiling source, so there's not really m

Re: S4: Can PRE and POST be removed from program flow?

2004-09-06 Thread Matt Diephouse
On Mon, 6 Sep 2004 11:48:59 +, Herbert Snorrason <[EMAIL PROTECTED]> wrote: > As it stands, though, perl6-internals isn't about perl, but Parrot ... > so of the two lists, language is arguably more appropriate... perl6-internals is about perl the implementation (which is parrot). perl6-languag

This week's Summary

2004-09-06 Thread The Perl 6 Summarizer
The Perl 6 Summary for the week ending 2004-09-03 Another week, a free weekend, and still I haven't started writing the summary until Monday. Still, I don't actually start at college 'til next week, so that's all right then. We start with perl6-internals. Compile op with return

Re: Reverse .. operator

2004-09-06 Thread Piers Cawley
"Joe Gottman" <[EMAIL PROTECTED]> writes: > In perl 6, the statement > > @foo = (1.. 5) ; > > is equivalent to > > @foo = (1, 2, 3, 4, 5); > > > > Is there similar shorthand to set @foo = (5, 3, 3, 2, 1) ? I know you can > go > > @foo = reverse (1

Re: S4: Can PRE and POST be removed from program flow?

2004-09-06 Thread Aaron Sherman
On Sat, 2004-09-04 at 17:59, John Siracusa wrote: > Actually, the other day I was thinking about how I tend to create any useful > perl program that I plan to distribute in the form of a big, monolithic > script. Take the distribution out of the equation and I'd write a series of > generic module

Re: S4: Can PRE and POST be removed from program flow?

2004-09-06 Thread Herbert Snorrason
As it stands, though, perl6-internals isn't about perl, but Parrot ... so of the two lists, language is arguably more appropriate... On Sun, 5 Sep 2004 22:37:04 -0400, Matt Diephouse <[EMAIL PROTECTED]> wrote: > I may be completely off base here, but I think this whole discussion > would be bette

Re: Synopsis 9 draft 1

2004-09-06 Thread Leopold Toetsch
Larry Wall <[EMAIL PROTECTED]> wrote: > On Sat, Sep 04, 2004 at 09:47:29AM +0200, Leopold Toetsch wrote: >: Honestly I don't see the point why all "normal" array usage should be >: slowed down just for the sake of some rare usage patterns. > Does it have to? Couldn't it have a different vtable?

Re: What Requires Core Support (app packaging)

2004-09-06 Thread Simon Cozens
[EMAIL PROTECTED] (John Siracusa) writes: > PAR doesn't compile or precompile to bytecode, it packages, temp-expands, > and runs. It *could* do this, but loading bytecode in Perl 5 is slower than loading and compiling source, so there's not really much point. What's so magic about bytecode, anyway