On 5/4/05, Larry Wall [EMAIL PROTECTED] wrote:
To get the other behavior, you have to say one of:
given hello {
when /hello/ {
say One;
when /hello/ { say Two; continue; }
when /hello/ { say Three; continue; }
continue;
Luke Palmer wrote:
On 5/4/05, Larry Wall [EMAIL PROTECTED] wrote:
[] could mean monotonically increasing.
Not unless we make boolean operators magic. There are arguments for
doing that, but I don't really want to think about how that would be
done at the moment. Reduce over a straight-up (or
On Thu, May 05, 2005 at 08:39:52AM +0300, Gaal Yahas wrote:
: How do I open a file named -?
Um, depending on what you mean, and whether we continue to support
the '=' pseudofile, maybe:
$fh = io(-);
or
$fh = open -;
or
$fh = $name eq '-' ?? $*IN :: open $name;
: How do I open
On Wed, May 04, 2005 at 11:44:58PM -0700, Larry Wall wrote:
: How do I open a file named -?
Um, depending on what you mean, and whether we continue to support
the '=' pseudofile, maybe:
$fh = io(-);
$fh = open -;
$fh = $name eq '-' ?? $*IN :: open $name;
My concern is again
On May 4, 2005, at 8:13 AM, Uri Guttman wrote:
AS Why? Because IO::Socket.new takes parameters that are built out
of its
AS entire inheritance tree, so a change to IO::Handle might
radically
AS modify the signature of the constructor.
makes sense. we should look at the p5 IO:: tree and
On Wed, May 04, 2005 at 11:00:46PM -0700, David Wheeler wrote:
: 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;
: }
:
On Wed, May 04, 2005 at 11:58:59PM -0600, Luke Palmer wrote:
: On 5/4/05, Larry Wall [EMAIL PROTECTED] wrote:
: [] could mean monotonically increasing.
:
: Not unless we make boolean operators magic. There are arguments for
: doing that, but I don't really want to think about how that would be
On Thu, 5 May 2005, Stuart Cook wrote:
What I refer to now is something that takes two {coderefs,anonymous
subs,closures} and returns (an object that behaves like) another anonymous
sub, precisely the one that acts like the former followed by the latter
(or vice versa!).
Do you mean like the
On Thu, May 05, 2005 at 01:32:56AM -0600, Luke Palmer wrote:
On 5/5/05, Gaal Yahas [EMAIL PROTECTED] wrote:
getopt(...);
$fh = open $in, :allowstdio;
Maybe the opposite:
$fh = open $in, :literal;
One of the nice things about the magical - behavior is that people
are
On 5/5/05, Gaal Yahas [EMAIL PROTECTED] wrote:
On Thu, May 05, 2005 at 01:32:56AM -0600, Luke Palmer wrote:
And I don't think arguing in the name of security for the default
case is going to buy us anything. Security doesn't come in scripts in
any language for free; you have to walk
Larry Wall [EMAIL PROTECTED] wrote:
It would be nice to have an easy-to-access What's this? interface
that could be stitched into your favorite editor to identify what's
under the cursor, or at least a command like:
p6explain '[+]'
s:p5/nice to have/absolutely necessary/ unless $self ~~
On Thu, May 05, 2005 at 10:14:34AM +0300, Gaal Yahas wrote:
: On Wed, May 04, 2005 at 11:44:58PM -0700, Larry Wall wrote:
: : How do I open a file named -?
:
: Um, depending on what you mean, and whether we continue to support
: the '=' pseudofile, maybe:
:
: $fh = io(-);
: $fh =
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:and(/hello/, { say Two })
continue
Hi,
sub gen() {
state $svar = 42;
# Only initialized once, as it is (per S04) equivalent to
# state $svar will first{ 42 };
return { $svar++ };
}
my $a = gen();# $svar == 42
$a(); $a(); # $svar == 44
my $b = gen();# $svar == 44
say $b(); # 44
On Thu, May 05, 2005 at 07:50:31PM +0200, Ingo Blechschmidt wrote:
: Hi,
:
: sub gen() {
: state $svar = 42;
: # Only initialized once, as it is (per S04) equivalent to
: # state $svar will first{ 42 };
: return { $svar++ };
: }
:
: my $a = gen();# $svar == 42
:
On Wed, 4 May 2005, Larry Wall wrote:
It would be nice to have an easy-to-access What's this? interface
that could be stitched into your favorite editor to identify what's
under the cursor, or at least a command like:
p6explain '[+]'
That would make me extremely happy.
:$sum = [+]
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 real
On Thu, 5 May 2005, David Wheeler wrote:
I can see how to ask for a binary (hence infix) operator, but how
do I ask
for a prefix or postfix operator specifically, which + and + do?
Maybe there are Operator::Prefix, etc, roles defined so you can ask
for
them?
Ask for them for what?
Can I put an operator in a variable and then use it in the []
reduce meta-operator? Something like:
$op = '+';
$x = [$op] @x;
Rob
On Thu, 2005-05-05 at 12:31, Larry Wall wrote:
On Thu, May 05, 2005 at 10:14:34AM +0300, Gaal Yahas wrote:
: On Wed, May 04, 2005 at 11:44:58PM -0700, Larry Wall wrote:
: : How do I open a file named -?
[...]
: $fh = io(-);
: $fh = open -;
: My concern is again with magic
On Thu, 5 May 2005, John Williams wrote:
or even
@x -= @y;
Doh! That should be C $x -= $y; of course.
I was looking at a line in the hangman program:
@letters == @solution.grep:{ $_ ne '' };
and was told that I was looking at an adverbial block.
But I don't understand what that is and could not find a description
and examples in a reverse search on dev and nntp.perl.org.
I would appreciate
Ugh, hit a in gmail when replying!
On 5/5/05, Terrence Brannon [EMAIL PROTECTED] wrote:
I was looking at a line in the hangman program:
@letters == @solution.grep:{ $_ ne '' };
and was told that I was looking at an adverbial block.
The adverbial block is what you're giving to `if` when
Luke Palmer [EMAIL PROTECTED] writes:
Ugh, hit a in gmail when replying!
On 5/5/05, Terrence Brannon [EMAIL PROTECTED] wrote:
I was looking at a line in the hangman program:
@letters == @solution.grep:{ $_ ne '' };
and was told that I was looking at an adverbial block.
The adverbial
If I understand correctly, so far we have the following meta-operators:
[ ]
circumfix meta-operator on infix operator which produces a prefix operator
circumfix meta-operator on infix operator which produces an infix operator
=
postfix meta-operator on infix operator which produces an infix
On 5/5/05, Stuart Cook [EMAIL PROTECTED] wrote:
+-+---+-++
| Meta-op | is| operates on | to produce |
+-+---+-++
| [ ] | circumfix | infix | prefix |
On 5/6/05, Brent 'Dax' Royal-Gordon [EMAIL PROTECTED] wrote:
I find this table very interesting, in that it shows the fundamental
difference between reduce and the existing meta-ops.
Yep, that was basically the whole point of the table.
The existing meta-operators alter the semantics of the
On 5/5/05, Terrence Brannon [EMAIL PROTECTED] wrote:
I was looking at a line in the hangman program:
@letters == @solution.grep:{ $_ ne '' };
and was told that I was looking at an adverbial block.
But I don't understand what that is and could not find a description
and examples in a
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