quivalence *without* having to inherit from an
abstract base class and I wish that interface equivalence were checked
before inheritance, as per Luke's idea.
Sounds like you want Java-style "interfaces" to me.
Regards,
David
--
David Wheeler AIM:
On Thursday, July 24, 2003, at 09:25 AM, Kurt Starsinic wrote:
Sounds like you want Java-style "interfaces" to me.
Follow the thread back. Objective-C had them way first, and their
ur-name is "protocols."
D'oh! Sorry, I had read that, but then forgot.
the "named-only" markers are
only available within actual parameter lists.
Damian
Welcome back, Damian. Lo, how we've missed you and Larry these many
long months!
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED]
, which in your code is what happens when
some_sort_of_test($t) returns a true value.
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://www.kinetico
On Tuesday, November 18, 2003, at 06:44 PM, Joseph Ryan wrote:
And also if @array_of_random_values contains 'ok'.
D'oh! See Damian's solution, then. ;-)
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED]
locks currently _never_ execute, no matter when
they're declared.
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://www.kineticode.com/ Yah
e released! ;-)
Regards,
David (Who wants to start writing Perl 6 applications yesterday.)
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://www.kineticode.com/ Yah
On Feb 2, 2004, at 5:20 PM, Larry Wall wrote:
That being said, we can potentially use × U+00D7 MULTIPLICATION SIGN.
(Though my vim can't seem to decide whether it's a single-width or a
double-width character, urgh...)
I realize this is a tad OT, but can anyone tell me how I can get Emacs
to prop
On Feb 2, 2004, at 9:53 PM, Kurt Starsinic wrote:
I realize this is a tad OT, but can anyone tell me how I can get Emacs
to properly display Unicode characters? I expect that others on the
list could benefit, too.
(require 'un-define)
Since I really don't understand Lisp, and since that simply
On Feb 3, 2004, at 7:13 AM, Kurt Starsinic wrote:
No joke. You'll need to have the "mule-ucs" module installed.
A quick Google search turns up plenty of sources.
Oh, I have Emacs 21.3.50. Mule is gone.
You'll also need to have the appropriate fonts installed, of
course.
You may need to
On Mar 19, 2004, at 11:58 AM, Karl Brodowsky wrote:
just for the Emacs-users among you:
C-x 8 < yields « and C-x 8 > yields ».
Nice to know, even though my Emacs only displays empty squares for
these characters. I have yet to figure out how to get it to properly
display Unicode (I'm using 21.3.5
On Mar 20, 2004, at 1:32 PM, Calle Dybedahl wrote:
You don't need Unicode display « and », just plain old ISO 8859-1.
True, but I'd like to get Unicode working for other projects, as well.
They're characters number 171 and 187 there. And AFAIK every Emacs
version released in the past ten years ha
On Mar 22, 2004, at 5:02 PM, Piers Cawley wrote:
Try this:
(cond
((eq window-system 'mac)
(when (string= default-directory "/")
(setq default-directory "~/"))
(setq mac-command-key-is-meta t
mac-reverse-ctrl-meta nil
process-connection-type nil
mac-keyboard-text-encoding kTextEncoding
On Mar 22, 2004, at 10:28 PM, Piers Cawley wrote:
(require 'cl)
somewhere before that code chunk. I thought everyone already did that.
Thanks. I put only the code you sent me in my .emacs, and a handy
Unicode file I have still doesn't display properly. *sigh*
I'll wait and see what I hear back
On Mar 22, 2004, at 10:36 PM, David Wheeler wrote:
I'll wait and see what I hear back from the Emacs developers. In the
meantime, there's TextEdit.
I've heard back that it may be that Unicode support simply isn't
included in the Carbonized version of Mac OS X. They p
On Apr 16, 2004, at 7:19 AM, Simon Cozens wrote:
I'll bet you the actual most *common* use of modulus is:
until ( my ($percent_done=done()) == 100 ) {
do_work();
print $percent_done,"\n" unless $percent_done % 10;
}
And I'll bet it's something like this:
for my $i (0..$#t
On Apr 16, 2004, at 10:14 AM, Juerd wrote:
Even with the "xx Inf"? Why?
Oh, right, missed that. Sorry.
David
On Aug 14, 2004, at 5:52 PM, Larry Wall wrote:
If one goes with a standard method name, we also want to see what it
looks like as an indirect object:
for more $*IN
for iter $*IN
for every $*IN
for read $*IN
for in $*IN
for shift $*IN
Of these, I like C best.
Like I say, all
On Aug 19, 2004, at 9:41 AM, Matt Diephouse wrote:
If the parameter does not exist at all, then param() will return
undef in a scalar context, and the empty list in a list context.
Sure enough. And I've even read a large percentage of the (unwieldy)
CGI.pm docs. But I was using C as an exam
On Aug 19, 2004, at 11:07 AM, Aaron Sherman wrote:
First off, in Perl 6, I *think* that that C<< => >> will enforce a
scalar context (it's a tuple operator, last I recall).
W00t!
Second, in Perl 5 it should not be hard to identify such situations for
warning purposes. C<< => >> may be a synonym for
On Sep 9, 2004, at 9:14 AM, Larry Wall wrote:
I just borrowed the -> from Perl 5 because I knew it was available,
and I thought it read better for C loops than the Ruby approach.
Interestingly, I was at PDX.pm last night for a presentation entitled,
"Ruby for Perl Programmers." One of the things t
On Sep 17, 2004, at 12:06 PM, Larry Wall wrote:
I originally made them lowercase because they were $=line variables
and I didn't want them to conflict with POD names that are typically
uppercase, and use of an C<=> secondary sigil for POD is a no-brainer.
s/uppercase/lowercase/ ?
David
On Sep 17, 2004, at 12:21 PM, Larry Wall wrote:
No, not the verbs, the uppercase nouns we see like
=begin COMMENT
...
=end COMMENT
Oh, I wasn't sure, because in the Synopses you've been using propercase
for =head1 POD. But maybe it's not the subjects of the header and item
type verbs
On Nov 30, 2004, at 2:23 PM, Larry Wall wrote:
Correct. The p5-to-p6 translator will turn any
while () {...}
into
for @$handle {...}
I assume that each value would be still fetched from the file handle
lazily, yes?
Regards,
David
On Nov 30, 2004, at 2:46 PM, Larry Wall wrote:
: I assume that each value would be still fetched from the file handle
: lazily, yes?
Um, that was the question my "Correct" was answering.
D'oh! Sorry.
David
On Dec 4, 2004, at 10:57 AM, Larry Wall wrote:
Well, I just put "is shape" because that's what the PDLers settled on,
but as far as I'm concerned linguistically, it could just be "is dim".
That would settle the "make-it-like-English" question by making it
not at all like English.
On the aesthetic h
On Dec 6, 2004, at 7:38 AM, Austin Hastings wrote:
for =<> {...}
I dub the...the fish operator!
:-)
David
On Dec 6, 2004, at 6:27 PM, Matt Fowles wrote:
getters and setters
John Siracusa wanted to know if Perl 6 would allow one to expose a
member variable to the outside world, but then later intercept
assignments to it without actually having to switch to using
getters and
setters i
On Feb 13, 2005, at 3:54 PM, David Storrs wrote:
Ok, so it requires actually overriding the rand function and providing
your own implementation. I was hoping for something a bit more
automagical (probably involving a property or role, since they seem to
be the answer to everything these days), but
On Feb 15, 2005, at 11:06 AM, Larry Wall wrote:
So maybe the actual pragma name is
use qubits;
Note: the pragma is not "use junctions", since they're already allowed
to use junctions, as long as they don't try to observe them. :-)
To quote Noah, what's a qubit?
http://www.jr.co.il/humor/noah
On Feb 15, 2005, at 11:16 PM, Larry Wall wrote:
I admit that calling the .brainf*ck method is problematic several
ways...
And what of .c#?
Regards,
David
On Feb 18, 2005, at 2:04 AM, Brent 'Dax' Royal-Gordon wrote:
Junctions are equivalent to the English sentence "Get eggs, bacon, and
toast from the store". (In Perl, that'd be something like C<<
$store->get("eggs" & "bacon" & "toast") >>.) It's just a bit of
orthogonality that allows you to give "
o repeat a letter in a character class, well, I guess it isn't. But
the first person to write <[a...]> gets what's comin' to 'em.
Regards,
David
--
David Wheeler
President, Kineticode, Inc.
http://www.kineticode.com/
Kineticode. Setting knowledge in motion.[sm]
On May 3, 2005, at 00:04 , Luke Palmer wrote:
I agree with you there. $Larry has said that he wants `when` to work
Shouldn't that be @Larry[0]?
Cheers,
David
smime.p7s
Description: S/MIME cryptographic signature
On May 4, 2005, at 22:31 , Larry Wall wrote:
given "hello" {
when /hello/ {
say "One";
if /hello/ { say "Two"; }
if /hello/ { say "Three"; }
continue;
}
say "Four";
}
Is there no more
say "Two" if /hello/;
?
Regards,
On May 4, 2005, at 23:19 , Larry Wall wrote:
You must have missed the implied "..." at the end of my list of
other WTDI.
You can also do any of:
say "Two" if /hello/;
/hello/ && say "Two";
/hello/ and say "Two";
/hello/ ?? say "Two" :: leave;
infix:(/hello/, { say "Two" })
On May 5, 2005, at 11:28 , John Williams wrote:
How does [+] know you mean
reduce &infix:<+>, @array;
instead of
reduce &prefix:<+>, @array;
which is nonsense, but the [+] is in a prefix position.
Because [] applies only to infix operators, as I understand it.
With the hyper metaoperator, the
to Larry a few weeks back.
>
> He likes the idea, but is having trouble finding an acceptable name for the
> operator.
I think the time has come, at last, to suggest a new operator -- and
perhaps this would be a good place for it. We need the 'doh' operator.
And to borrow from
cs, but the
qq{} operator, instead. No need for a closing newline.
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
On Thu, 2002-01-24 at 08:48, Garrett Goebel asked:
> So which Apoc will be the OO one?
Apoc 12, to go by the chapters of the 3rd Camel.
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726
erl 6 example equivalent.
# "aa" will be used for the hash key, as specified by Cat's
# C spec.
$b = new Cat("aa");
$a{$b} = 1;
$b->somefunctionthatchangesthehashvalue();
$a{"aa"}; # Key found.
> I personally liked the stringification of keys. It m
e I could have two separate objects
that loaded the same data from the database, and are therefore "the same
object," even though they wouldn't have the same OID. So I'd want to be able
to say, for hash keys, use a key I define (probably including a primary key
ID from the database).
attributes, for instance.
Yes, this sounds ideal to me.
> But the default is gonna look a lot like Perl 5.
That's certainly good enough for me!
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED]
's the mnemonic again?
Is there any way the syntax could be made different? Could the two
approaches be differently named? Perhaps the first could be C, and
the second could be C, and they could both use commas. Or am I just
being paranoid?
Regards,
David
--
David Wheeler
; $b, $c {...}
And then we just have to be aware that this could be the source of subtle
bugs, and use the formatting to help us spot it.
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://david.wheeler.net/ Yahoo!: dew7e
Jabber: [EMAIL PROTECTED]
Anyone know what the chances are that some enterprising C hacker
can/will/did get the // and //= operator into Perl 5.8? Seems like it
wouldn't be a huge deal to add, and I'd love to have it sooner rather than
later.
Regards,
David
--
David Wheeler
On 4/17/02 1:20 PM, "Aaron Sherman" <[EMAIL PROTECTED]> claimed:
> This gets ugly when you mix in traditional C for (are we keeping that in
> Perl6?):
Yes, but it's name is changing to C.
David
--
David Wheeler AIM
about it
sometime. ;-)
But maybe things are more rigorous now, and it should be 5.8.1. Personally,
I'd rather see it sooner than later.
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 1
t it be m//, and that
would break a lot of existing code. Good point, I hadn't thought of that.
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://david.wheeler
. It not only suggests that something has
changed, but that it has changed at a particular time -- runtime. Compile
time properties just *are* (is), no matter what, unless and until you say,
at runtime, that it is *now* something else.
--
David Wheeler
ferred C. I really
> don't understand what at all is appealing about C.
Why, for Perl poetry that wants to talk about "the boat" in Spanish! :-P
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ
l, but I doubt those
> files change that actively.)
I'm not a p5p, so I was wondering how this was going. I expect it won't go
into 5.8.0, eh?
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED]
On 5/1/02 12:11 PM, "Brent Dax" <[EMAIL PROTECTED]> claimed:
> It's far too late to make it into 5.8, but it looks like it'll be in
> 5.10 when that comes out (in a year or two).
I figured. Too bad. ;-) A year or two is long time to wait!
R
elf around (at least when talking about
Perl), or is there a chance that the language designers would decide that
the way I use the terms is ever-so-much-better? ;-)
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED]
ut I do think it would be easier all round if you just
> went with our chosen terminology for Perl 6. ;-)
Damn. I was afraid you were going to say that! :-)
Thanks for the reply.
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED]
On 5/11/02 2:43 PM, "Damian Conway" <[EMAIL PROTECTED]> claimed:
> method set_baz($newbaz is compatible($.baz)) { $.baz = $newbaz }
> method set_baz($newbaz is typeof($.baz)) { $.baz = $newbaz }
I like the latter best -- and it beats the hell out of "instanceof"
context, it is silly that a double-backslash
prints a single backslash when a single backslash prints a single backslash
-- even when it precedes a single quote!
But there are Perl 5 nits, really.
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECT
nk that a number of these issues of inlining methods were considered by
p5p about two years ago, when Doub MacEachern submitted a patch that
optimized Perl 5 method calls. Simon wrote about it here:
http://www.perl.com/lpt/a/2000/06/dougpatch.html
Regards,
David
--
David Wheeler
t the regexes, check out my Data::Types module on the CPAN. It
offers functions for checking integers and other numeric types.
'Course, in Perl 6, builtin types will make this a non-issue. I look forward
to that day!
Regards,
David
--
David Wheeler
l
6, I will be motivated to port them.
Plenty of folks are still dedicated to Perl 5, and it will likely to
continue moving forward for some time -- it may never die. And I think
that's true regardless of whether Perl 6 supports Perl 5 or not. So it's
okay by me to dump it. Lots of
forms they pass on and what platforms they don't at the top of the
download page would be good enough. But the tests have got to be there.
Regard,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED]
still want to upload this module?
That'll stop the vast majority of offenders, and those who upload anyway
will be more likely to have documented changes.
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED]
27;Reilly wants to fund me I'd be happy to do it. :-)
On what platform(s)? Who's going to pay for the test bed for every possible
combination of perl version, OS, various libraries, etc., etc.? I think that
*requiring* that all tests pass is unrealistic.
Regards,
David
On 6/4/02 4:08 PM, "Brent Dax" <[EMAIL PROTECTED]> claimed:
> Why bother? You've already put P::RD and T::B effectively in the core!
> ;^)
And Switch. And Next? And Q::S? Larry, have you decided on that one yet?
:-)
Regards,
David
--
David Wheeler
for that matter)
have some magical array that holds all the matches from the last match?
e.g., ($1, $2, $3, ...)?
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://david.wheeler
array. Perl 5 is
another matter.
> I guess the golfing community would appreciate a mini-exegsis for what
> Perl 6 can do for them :) [hint, hint]
I rather expect that whatever Perl 6 does for golfers is a side-effect of
what Perl 6 is doing for programmers who
On 6/7/02 11:21 AM, "David Wheeler" <[EMAIL PROTECTED]> claimed:
> Not to mention kinda useless. I was hoping for a magic array that would hold
> the actual *matches*, rather than pointers to their character positions.
And it appears to be C<@$0>. Duh. Sorry
quently do stuff like this:
my %hash;
for qw(one two three) {
%hash{$_} = 1; # $_ should *not* == %hash here!
}
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://david.wheeler.net/
t the even simpler syntax suggested earlier
in this thread) is this:
my $date = Date.new('June 25, 2002');
Would automatically type C<$date> as a Date object.
Thoughts?
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED]
b = { ... };
And if so, does it matter?
> Whatever. My coffee stream hasn't yet suppressed my stream of
> consciousness.
I think we're all the better for it! :-)
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED]
haps there could be a way to mark a variable as statically typed at
compile time, and have the compiler apply the static typing so that I
don't have to do all that extra typing.
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PR
gh;
Oh, that's nice. As long as one is careful about not creating
conflicting class names...
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://david.wheeler.net/
On Monday, September 2, 2002, at 03:44 AM, Damian Conway wrote:
>> my Date $date .= new('Jun 25, 20002');
>
> H. That's a very interesting idea.
> I like it.
Hallelujah! I like it, too! It's only one character more than my
original suggestion!
On Monday, September 2, 2002, at 10:00 AM, Damian Conway wrote:
> No, I never said (nor intended to imply) that. Note that I carefully
> avoided the
> word "alias" in my description of this technique. ;-)
That was my doing. Sorry folks.
David
On Tuesday, September 3, 2002, at 05:08 PM, Dan Sugalski wrote:
> We call that concept "multimethod dispatch". That's what you're asking
> for.
Dan, can you explain what "multimethod dispatch" is?
Thanks!
David
--
David Wheeler
their
> parameter signature.
Ah, yes, the same thing exists in Java. I remember, now.
Thanks Dan,
David
--
David Wheeler AIM: dwTheory
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http://david.wheeler.net/
ading?
And will Perl 6 do it at compile-time or at run-time?
Thanks,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://david.wheeler.net/ Ya
would have an easier time explaining #4 to someone
Yes, except that &bit is a subroutine reference, IIRC, not an operator.
That's why it makes more sense to put the punctuation character at the
end of the operator name.
Regards,
David
--
David Wheeler
On Wednesday, October 16, 2002, at 04:55 PM, Smylers wrote:
How about keeping caret for xor?
$a ~^ $b # bitwise xor
$a ^^ $b # logical xor
Hm, the "seagull operator"?
David
--
David Wheeler AIM: dwTheory
[EMAIL
inate whitespace to be the concatenation operator!
my $foo = $bar $bat;
;-)
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://david.wheeler.net/ Yahoo!:
am!
:-D
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://david.wheeler.net/ Yahoo!: dew7e
Jabber: [EMAIL PROTECTED]
s suddenly quieted down after this message.
So I would look favorably on finding a replacement for "superposition".
Well, I like "set operators," too, but what's the grammatical term for
the above "logically entangled list of nouns"?
Regards,
David
--
On Wednesday, October 30, 2002, at 07:18 AM, Jonathan Scott Duff wrote:
The only thing this inspires in my brain is Schoolhouse Rock
flashbacks.
o/~ Conjuction Junction, what's your function? o/~
Heh. That's what I heard, too.
David
--
David Wheeler
t's probably UTF-8 that Perl 6 source code is written in, I
think that you and I might be better off using a smarter mailer.
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://dav
be a PITA...even though I *love* the idea of using these
characters, might it be better to abandon them for now?
Regards,
David
PS: What do they look like in this reply?
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 157
arry I see
?'s
And I didn't see them in Austin's message, but I see them in yours.
Your mailer did the right thing, it looks like.
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
htt
s are:
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: quoted-printable
Which is correct.
But let me ask you -- how did you input those characters?
David
--
David Wheeler AIM: dwTheory
[EMAIL PROT
On Wednesday, October 30, 2002, at 01:52 PM, Michael Lazzaro wrote:
Applications/Utilities/"Key Caps" (Again, OSX) which shows you where
they all are.
The «» quotes, for example, are option-\ and shift-option-\
Oh, well, I guess those aren't *too* far out of the way...
better analogy than that,
quantumly speaking?
Plus, it turns out not to be at all hard to type on Mac OS X. ;-)
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://david.w
) can be undef.
HTH,
David
--
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[EMAIL PROTECTED] ICQ: 15726394
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Jabber: [EMAIL PROTECTED]
what's the boolean type in Perl?" I'd rather answer
"bit" than "Perl doesn't have one", if for no other reason than the
latter answer will completely freak them out. :-)
How do you answer that question when it's asked of Perl 5?
David
--
David Wheeler
citly introduced true and
false into the language, and have therefore destroyed the utility of
context:
my boolean $bool = 0; # False.
my $foo = ''; # False context.
if ($foo eq $bool) {
# Oops!
}
Regards,
David
--
David Wheeler
which case it might be:
`<>` - synonym for «op»
`>>op<<` - synonym for »op«
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://david.wheele
.
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://david.wheeler.net/ Yahoo!: dew7e
Jabber: [EMAIL PROTECTED]
don't see much of an argument there. That a discussion leads
to discussions on other mail lists is not a reason not to use Unicode
operators. Or so it seems to me.
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROT
For all you Mac OS X fans out there:
http://www.earthlingsoft.net/UnicodeChecker/
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
http://david.wheeler.net/ Yahoo!: dew7e
ally hope that,
stylistically, we'll more often see code like this:
if $damian | $larry | $dan == $hurt {...} # i.e. any of them hurt
if $damian & $larry & $dan == $hurt {...} # all hurt
Regards,
David
--
David Wheeler AIM: dwTheory
[EM
f power, I guess.
Regards,
David
--
David Wheeler AIM: dwTheory
[EMAIL PROTECTED] ICQ: 15726394
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Jabber: [EMAIL PROTECTED]
while {...} # I'm afraid to ask!
Best,
David
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David Wheeler AIM: dwTheory
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Jabber: [EMAIL PROTECTED]
o $_ and the
implicit
definedness check is yet to be decided.
That's a scalar context? I assumed it was list context from your
previous post:
In a list context:
<$fh> # Calls $fh.each
At any rate, I hope that it's bound to $_ -- nice conversion from Perl
5's behavio
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