Stéphane Payrard [EMAIL PROTECTED] writes:
s/// in string context should return the string after substituion.
It seems obvious to me but I mention it because I can't find it
in the apocalypses.
Surely it should return the string after substitution, but with an
appropriate 'but true' or
Joe Gottman [EMAIL PROTECTED] writes:
- Original Message -
From: Austin Hastings [EMAIL PROTECTED]
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Sent: Tuesday, November 18, 2003 3:04 PM
Subject: [perl] RE: s/// in string context should return the string
As a Bvalue where possible, so
On Tue, Nov 18, 2003 at 11:05:57AM -0800, Michael Lazzaro wrote:
On Tuesday, November 18, 2003, at 06:38 AM, Simon Cozens wrote:
Given that we've introduced the concept of if having a return status:
my $result = if ($a) { $a } else { $b };
Would that then imply that
sub blah {
No, because the
if $a
from return if $a; doesn't match the production
if expression block [else block]
I so don't want to be anywhere near the Perl6 parser...
--
Gordon Henriksen
IT Manager
ICLUBcentral Inc.
[EMAIL PROTECTED]
-Original Message-
From: Michael Lazzaro
Michael Lazzaro writes:
[EMAIL PROTECTED] (Dan Sugalski) writes:
Luke Palmer:
That's illegal anyway. Can't chain statement modifiers :-)
Will be able to.
I was under the strong impression that Larry had decided that
syntactic ambiguities prevented this from happening.
I also
On Tue, Nov 18, 2003 at 11:37:22PM +0100, Seiler Thomas wrote:
So... lets call a function instead:
my $is_ok = 1;
for 0..6 - $t {
if abs(@new[$t] - @new[$t+1]) 3 {
$is_ok = 0;
last;
}
}
if $is_ok {
yada() # has
Austin Hastings wrote:
I'm way not sure about how the vector context result of iteration
structures
will work. Specifically, what happens when a loop forks a thread, or
passes
to a parallelized coroutine? There may not actually BE a result. (Of
course,
in a right-thinking system this will be
Damian Conway wrote:
push @moves, [$i, $j];
for 0..6 - $t {
if abs(@new[$t] - @new[$t+1]) 3 {
pop @moves;
last;
}
}
Thomas Seiler writes:
my $is_ok = 1;
for 0..6 - $t {
if abs(@new[$t] - @new[$t+1]) 3 {
$is_ok = 0;
last;
}
-Original Message-
From: Joe Gottman [mailto:[EMAIL PROTECTED]
Sent: Tuesday, November 18, 2003 9:58 PM
To: Perl6
Subject: Re: [perl] RE: s/// in string context should return the string
- Original Message -
From: Austin Hastings [EMAIL PROTECTED]
To: [EMAIL
Austin Hastings wrote:
I'm way not sure about how the vector context result of iteration
structures
will work. Specifically, what happens when a loop forks a thread, or
passes
to a parallelized coroutine? There may not actually BE a result. (Of
course,
in a right-thinking system this
Smylers == Smylers [EMAIL PROTECTED] writes:
Smylers I also was under the strong impression that Larry had decreed
Smylers that we wouldn't have chained statement modifiers ... but I
Smylers thought it was because Larry had decided they would be a bad
Smylers thing to have rather than because
-Original Message-
From: Randal L. Schwartz [mailto:[EMAIL PROTECTED]
Sent: Wednesday, November 19, 2003 9:46 AM
To: [EMAIL PROTECTED]
Subject: Re: Control flow variables
Smylers == Smylers [EMAIL PROTECTED] writes:
Smylers I also was under the strong impression that Larry
Randal == Randal L Schwartz [EMAIL PROTECTED] writes:
Randal I actually consider that an annoying statement. I have to back up
Randal three times to figure out what it means.
And before someone whips out the Schwartzian Transform to undermine
my statement... please note that in Perl6, you'll
Piers Cawley writes:
All of which means you can wrap it up in a macro and prove Simon's
point about what's syntax and what's CP6AN:
macro unless_all( Block test is parsed /perl.expression/,
Block consequence, [EMAIL PROTECTED] )
{ my $guard = Object.new;
[EMAIL PROTECTED] (Larry Wall) writes:
Sigh. There's no =~ operator in Perl 6.
How should we go about bringing A3 up to match current reality? It is, after
all, over two years old now.
--
End July 2001 - Alpha release for demonstration at TPC
On Wed, Nov 19, 2003 at 08:08:49AM +1100, Damian Conway wrote:
: Michael Lazzaro wrote:
:
: So, just to make sure, these two lines are both valid, but do completely
: different things:
:
: return if $a;
:
: Means:
:
: if ($a) { return }
:
:
: return if $a { $a }
:
: Means:
:
:
On Wed, Nov 19, 2003 at 09:30:15AM -0700, Luke Palmer wrote:
: Piers Cawley writes:
: All of which means you can wrap it up in a macro and prove Simon's
: point about what's syntax and what's CP6AN:
:
: macro unless_all( Block test is parsed /perl.expression/,
: Block
On Wed, Nov 19, 2003 at 06:17:33PM +, Simon Cozens wrote:
[EMAIL PROTECTED] (Larry Wall) writes:
Sigh. There's no =~ operator in Perl 6.
How should we go about bringing A3 up to match current reality? It is, after
all, over two years old now.
Isn't Allison the maintainer? Just prod
Larry Wall wrote:
On Tue, Nov 18, 2003 at 06:28:59PM -0500, Gordon Henriksen wrote:
my @b = for @a - $_ {
...
}
That will be a syntax error. Generators are too mind-stretching to
inflict on novices [...]
I making the point that within the context of this
Gordon Henriksen writes:
Larry Wall wrote:
On Tue, Nov 18, 2003 at 06:28:59PM -0500, Gordon Henriksen wrote:
my @b = for @a - $_ {
...
}
That will be a syntax error. Generators are too mind-stretching to
inflict on novices [...]
I making the point that
On Wed, Nov 19, 2003 at 09:12:01AM -0600, Jonathan Scott Duff wrote:
: On Tue, Nov 18, 2003 at 09:36:31PM -0800, Larry Wall wrote:
: As for the original question that started this whole silly thread,
: control structures that return values should probably be considered
: some kind of generator,
Simon wrote:
How should we go about bringing A3 up to match current reality? It is, after
all, over two years old now.
We talked about this today. Our current thought is to retroactively
write the Synopses and keep those up-to-date (with notes in the outdated
parts of the A's and E's pointing
-Original Message-
From: Larry Wall [mailto:[EMAIL PROTECTED]
On the other hand, putting the default up front is clearer if the
block is long. Could even be something like:
@foo = gather is default(@results) {
for @a - $x { pick $x if mumble($x) }
}
And Cgather is
[EMAIL PROTECTED] (Austin Hastings) writes:
What does Cscatter do?
That's the operator that's used to assign values to C$^x and
friends in closures. In all its glory, you give it a set of values,
and it assigns them to a block's undefined variables, quieting those
annoying warnings:
@x =
[EMAIL PROTECTED] (Allison Randal) writes:
We talked about this today. Our current thought is to retroactively
write the Synopses and keep those up-to-date (with notes in the outdated
parts of the A's and E's pointing to the relevant section of the
S's).
To be honest, I don't care how it's
Larry Wall wrote:
So far we've only allowed is parsed on the macro itself, not on
individual arguments. Still, that's an interesting idea.
Forgive me if this has already been addressed, but this could have some
useful applications:
So far, everything I've read about macro parsing concentrates
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