Re: L2R/R2L syntax (was Re: Everything is an object.)

2003-01-17 Thread David Storrs
On Thu, Jan 16, 2003 at 04:14:20PM -0600, Jonathan Scott Duff wrote: On Thu, Jan 16, 2003 at 10:07:13PM +, Nicholas Clark wrote: The headers I received make no mention of character set - does your mailer mark the message in any way? If not, then STMP will assume it's good old 7 bit

Re: L2R/R2L syntax (was Re: Everything is an object.)

2003-01-17 Thread Dan Sugalski
At 7:13 AM -0800 1/17/03, David Storrs wrote: Do we at least all agree that it would be a good thing if Unicode were the default character set for everything, everywhere? That is, editors, xterms, keyboards, etc? No. No, we don't. -- Dan

Re: L2R/R2L syntax (was Re: Everything is an object.)

2003-01-17 Thread David Storrs
On Fri, Jan 17, 2003 at 10:59:57AM -0500, Dan Sugalski wrote: At 7:13 AM -0800 1/17/03, David Storrs wrote: Do we at least all agree that it would be a good thing if Unicode were the default character set for everything, everywhere? That is, editors, xterms, keyboards, etc? No. No, we

Re: L2R/R2L syntax (was Re: Everything is an object.)

2003-01-17 Thread Austin Hastings
--- David Storrs [EMAIL PROTECTED] wrote: On Thu, Jan 16, 2003 at 04:14:20PM -0600, Jonathan Scott Duff wrote: On Thu, Jan 16, 2003 at 10:07:13PM +, Nicholas Clark wrote: The headers I received make no mention of character set - does your mailer mark the message in any way? If not,

Re: L2R/R2L syntax (was Re: Everything is an object.)

2003-01-17 Thread Petras
* David Storrs [EMAIL PROTECTED] [2003-01-17 19:29:25]: On Fri, Jan 17, 2003 at 10:59:57AM -0500, Dan Sugalski wrote: At 7:13 AM -0800 1/17/03, David Storrs wrote: Do we at least all agree that it would be a good thing if Unicode were the default character set for everything, everywhere?

Re: L2R/R2L syntax (was Re: Everything is an object.)

2003-01-17 Thread Dan Sugalski
At 8:08 AM -0800 1/17/03, David Storrs wrote: On Fri, Jan 17, 2003 at 10:59:57AM -0500, Dan Sugalski wrote: At 7:13 AM -0800 1/17/03, David Storrs wrote: Do we at least all agree that it would be a good thing if Unicode were the default character set for everything, everywhere? That is,

Re: L2R/R2L syntax (was Re: Everything is an object.)

2003-01-17 Thread David Storrs
On Fri, Jan 17, 2003 at 12:19:01PM -0500, Dan Sugalski wrote: At 8:08 AM -0800 1/17/03, David Storrs wrote: On Fri, Jan 17, 2003 at 10:59:57AM -0500, Dan Sugalski wrote: At 7:13 AM -0800 1/17/03, David Storrs wrote: Do we at least all agree that it would be a good thing if Unicode were

Re: L2R/R2L syntax

2003-01-17 Thread Michael Lazzaro
So, to bring this thread back on track *again*, I hopefully offer this summary. 1) Damian's idea of using ~ and ~ as L2R and R2L is well-liked. Thus: @out = grep { ... } map { ... } @in; # (1) (perl5) becomes any of the following: @out = grep { ... } ~ map { ... }

RE: L2R/R2L syntax

2003-01-17 Thread Brent Dax
Mr. Nobody: # I have to wonder how many people actually like this syntax, # and how many only say they do because it's Damian Conway who # proposed it. And map/grep aren't specialized syntax, you IIRC Damian also supports Unicode operators (and may have originated the idea), and obviously many

Re: L2R/R2L syntax

2003-01-17 Thread Simon Cozens
[EMAIL PROTECTED] (Mr. Nobody) writes: I have to wonder how many people actually like this syntax, and how many only say they do because it's Damian Conway who proposed it. And map/grep aren't specialized syntax, you could do the same thing with a sub with a prototype of (block, *@list).

Re: L2R/R2L syntax

2003-01-17 Thread Simon Cozens
[EMAIL PROTECTED] (Brent Dax) writes: # could do the same thing with a sub with a prototype of # (block, *@list). Great. That could mean it won't work right for MyCustomArrayLikeThing. Can you explain what you mean by this, because it's not apparent to me that your statement is in any way

Re: L2R/R2L syntax

2003-01-17 Thread Paul Johnson
Mr. Nobody said: --- Michael Lazzaro [EMAIL PROTECTED] wrote: So, to bring this thread back on track *again*, I hopefully offer this summary. 1) Damian's idea of using ~ and ~ as L2R and R2L is well-liked. Thus: @out = grep { ... } map { ... } @in; # (1) (perl5)

RE: L2R/R2L syntax

2003-01-17 Thread Brent Dax
Simon Cozens: # [EMAIL PROTECTED] (Brent Dax) writes: # # could do the same thing with a sub with a prototype of # # (block, *@list). # # Great. That could mean it won't work right for # MyCustomArrayLikeThing. # # Can you explain what you mean by this, because it's not # apparent to me

Re: L2R/R2L syntax

2003-01-17 Thread Jonathan Scott Duff
On Fri, Jan 17, 2003 at 09:57:47AM -0800, Mr. Nobody wrote: --- Michael Lazzaro [EMAIL PROTECTED] wrote: @out = grep { ... } ~ map { ... } ~ @in; # (2) (perl6) @out ~ grep { ... } ~ map { ... } ~ @in; # (3) @in ~ map { ... } ~ grep { ... } ~ @out; # (4) I have to

RE: L2R/R2L syntax

2003-01-17 Thread Mr. Nobody
--- Thom Boyer [EMAIL PROTECTED] wrote: Mr. Nobody [mailto:[EMAIL PROTECTED]] groused: I have to wonder how many people actually like this syntax, and how many only say they do because it's Damian Conway who proposed it. Some of us like it because we've wanted something like it for years.

Re: L2R/R2L syntax

2003-01-17 Thread Austin Hastings
You've overlooked ~| or ~ or whatever that operates on context by default. given @foo { ~ classify ~ @categories; ~ sort - @sorted_foo; ~ improve ~ @bar; }; Personally, I'd like to see that syntax improved a little. Anyway, I'd suggest that the order of execution of lines

Re: L2R/R2L syntax

2003-01-17 Thread Graham Barr
On Fri, Jan 17, 2003 at 06:21:43PM +, Simon Cozens wrote: [EMAIL PROTECTED] (Mr. Nobody) writes: I have to wonder how many people actually like this syntax, and how many only say they do because it's Damian Conway who proposed it. And map/grep aren't specialized syntax, you could do the

Re: L2R/R2L syntax

2003-01-17 Thread Simon Cozens
[EMAIL PROTECTED] (Brent Dax) writes: # # could do the same thing with a sub with a prototype of # # (block, *@list). OK. Let's say I'm implementing HugeOnDiskArray, and instead of slurping the array in and grepping over it, I want to grab the elements one at a time, run them through the

Re: L2R/R2L syntax

2003-01-17 Thread Simon Cozens
[EMAIL PROTECTED] (Paul Johnson) writes: I trust that we are all sufficiently grown up and devoid of marketing hype that we can judge suggestions on their own merit. Do you need pointing to the archives at this point? -- DYSFUNCTION: The Only Consistent Feature of All of Your

Re: L2R/R2L syntax

2003-01-17 Thread Angel Faus
I have to wonder how many people actually like this syntax, and how many only say they do because it's Damian Conway who proposed it. And map/grep aren't specialized syntax, you could do the same thing with a sub with a prototype of (block, *@list). I have to say that I am not specially

RE: L2R/R2L syntax

2003-01-17 Thread Austin Hastings
--- Brent Dax [EMAIL PROTECTED] wrote: Simon Cozens: # [EMAIL PROTECTED] (Brent Dax) writes: # # could do the same thing with a sub with a prototype of # # (block, *@list). # # Great. That could mean it won't work right for # MyCustomArrayLikeThing. # # Can you explain what you

Re: L2R/R2L syntax

2003-01-17 Thread Jonathan Scott Duff
On Fri, Jan 17, 2003 at 06:21:43PM +, Simon Cozens wrote: [EMAIL PROTECTED] (Mr. Nobody) writes: I have to wonder how many people actually like this syntax, and how many only say they do because it's Damian Conway who proposed it. And map/grep aren't specialized syntax, you could do the

Re: L2R/R2L syntax

2003-01-17 Thread Adam D. Lopresto
I'd like to point out one thing that I'm not sure of. It seems like the original proposal only allowed for the operators to change terms around. So given the same (1)-(4) from the message, (4) is exactly the same as (1), and (2) and (3) are exactly the same as each other and as @out

Re: L2R/R2L syntax

2003-01-17 Thread Petras
* Mr. Nobody [EMAIL PROTECTED] [2003-01-17 19:55:41]: --- Michael Lazzaro [EMAIL PROTECTED] wrote: @out ~ grep { ... } ~ map { ... } ~ @in; # (3) @in ~ map { ... } ~ grep { ... } ~ @out; # (4) I have to wonder how many people actually like this syntax, and how many only say

Re: L2R/R2L syntax

2003-01-17 Thread Dave Whipp
Mr. Nobody [EMAIL PROTECTED] wrote : I have to wonder how many people actually like this syntax, and how many only say they do because it's Damian Conway who proposed it. And map/grep aren't specialized syntax, you could do the same thing with a sub with a prototype of (block, *@list). I 50%

Re: L2R/R2L syntax

2003-01-17 Thread Michael Lazzaro
On Friday, January 17, 2003, at 09:57 AM, Mr. Nobody wrote: And map/grep aren't specialized syntax, you could do the same thing with a sub with a prototype of (block, *@list). The specialized part is that, in perl5, it's: @out = grep { ... } map { ... } @in; instead of: @out = grep {

Re: L2R/R2L syntax

2003-01-17 Thread Simon Cozens
[EMAIL PROTECTED] (Michael Lazzaro) writes: ...the absence of the commas is what's special. If they were normal functions/subroutines/methods/whatever, you would need a comma after the first argument This is plainly untrue. See the perlsub documentation, which talks about creating your own

Re: L2R/R2L syntax

2003-01-17 Thread Buddha Buck
Michael Lazzaro wrote: So, to bring this thread back on track *again*, I hopefully offer this summary. 1) Damian's idea of using ~ and ~ as L2R and R2L is well-liked. Thus: @out = grep { ... } map { ... } @in; # (1) (perl5) becomes any of the following: @out =

Re: L2R/R2L syntax

2003-01-17 Thread Michael Lazzaro
On Friday, January 17, 2003, at 10:41 AM, Dave Whipp wrote: But then we shift our perception to think that - is an L2R pipe into a block: not an anonymous sub composer. Similarly, the Cfor function is a strange thing sends its elements down the pipe, one-by-one -- its not a loop at afterall! (A

RE: L2R/R2L syntax

2003-01-17 Thread Brent Dax
Buddha Buck: # My impression was that ~ and ~ were more general than that, # and mainly # did syntax-rewriting. Correct. # So (4) above was translated in the parsing stage to be # exactly identical # to (1), by the following conversions: # ## original (4) #@in ~ map { ... } ~ grep {

Re: L2R/R2L syntax

2003-01-17 Thread Mark J. Reed
On 2003-01-17 at 19:00:04, Simon Cozens wrote: This is plainly untrue. See the perlsub documentation, which talks about creating your own syntax with the prototype. You can do all this in Perl 5, and it saddens me that some of the people redesigning Perl don't know what Perl can do. Well, if

Re: L2R/R2L syntax

2003-01-17 Thread David Storrs
On Fri, Jan 17, 2003 at 11:03:43AM -0800, Michael Lazzaro wrote: And note that as pretty as - is, we couldn't have - for piping because it would conflict rather strongly things like if ($a-5)# (negative five, or pipelike?) Pipelike. Longest token rule. --Dks

Re: L2R/R2L syntax

2003-01-17 Thread Mark J. Reed
On 2003-01-17 at 14:15:46, I wrote: But as I see it, the real problem being solved by the new syntax is that grep and map can exist solely as methods on some class in the inheritance tree of @arrays, no global functions required. That is a Good Thing. I realize that such also be true if we

Re: L2R/R2L syntax

2003-01-17 Thread Buddha Buck
Brent Dax wrote: Incorrect. The translation sequence is: @in ~ map { ... } ~ grep { ... } ~ @out ((@in ~ map { ... }) ~ grep { ... }) ~ @out ((@in.map({ ... })).grep({ ... })) ~ @out @out=((@in.map({ ... })).grep({ ... })) @[EMAIL PROTECTED]({ ... }).grep({ ... }) The only difference

Re: L2R/R2L syntax

2003-01-17 Thread Michael Lazzaro
On Friday, January 17, 2003, at 11:00 AM, Simon Cozens wrote: [EMAIL PROTECTED] (Michael Lazzaro) writes: ...the absence of the commas is what's special. If they were normal functions/subroutines/methods/whatever, you would need a comma after the first argument This is plainly untrue. See

Re: L2R/R2L syntax

2003-01-17 Thread Mr. Nobody
--- Michael Lazzaro [EMAIL PROTECTED] wrote: On Friday, January 17, 2003, at 11:00 AM, Simon Cozens wrote: [EMAIL PROTECTED] (Michael Lazzaro) writes: ...the absence of the commas is what's special. If they were normal functions/subroutines/methods/whatever, you would need a comma after

Re: L2R/R2L syntax

2003-01-17 Thread Damian Conway
Dave Whipp wrote: But the squiggly arrow doesn't seem right. I contrast it with the anonymous sub composer (-) which was chosen, I think, because it worked well in the context of a Cfor loop. Consider the following: $\ = |; $, = ,; Except, of course, those won't exist in Perl 6. You want

Re: L2R/R2L syntax

2003-01-17 Thread Austin Hastings
--- Damian Conway [EMAIL PROTECTED] wrote: We should bear in mind that Larry has had some health issues. And that he's currently unemployed with four children to support. Maybe he could find work hacking perl. I've heard he's pretty good... ;-) =Austin

Re: L2R/R2L syntax

2003-01-17 Thread Joseph F. Ryan
Mark J. Reed wrote: On 2003-01-17 at 19:00:04, Simon Cozens wrote: This is plainly untrue. See the perlsub documentation, which talks about creating your own syntax with the prototype. You can do all this in Perl 5, and it saddens me that some of the people redesigning Perl don't know what

Re: L2R/R2L syntax

2003-01-17 Thread Damian Conway
Buddha Buck wrote: My impression was that ~ and ~ were more general than that, and mainly did syntax-rewriting. You can certainly think of it as syntax rewriting (though, personally, I don't). What ~ and ~ do is to (respectively) allow arguments and invocants to appear in a different position

Re: L2R/R2L syntax

2003-01-17 Thread Damian Conway
Buddha Buck wrote: Brent Dax wrote: Incorrect. Hmmm, I must have misunderstood Damian's suggestion when he said (quoting Damian Conway) Suppose ~ takes its left argument and binds it to the end of the argument list of its right argument, then evaluates that right argument

Re: L2R/R2L syntax

2003-01-17 Thread Mark J. Reed
On 2003-01-17 at 17:17:03, Joseph F. Ryan wrote: But as I see it, the real problem being solved by the new syntax is that grep and map can exist solely as methods on some class in the inheritance tree of @arrays, no global functions required. That is a Good Thing. In your opinion.

RE: L2R/R2L syntax [x-adr][x-bayes]

2003-01-17 Thread Garrett Goebel
From: Damian Conway [mailto:[EMAIL PROTECTED]] We should bear in mind that Larry has had some health issues. And that he's currently unemployed with four children to support. Other matters are taking precedence at the moment. Hmm... If the Larry and the Perl Foundation would be agreeable.

RE: L2R/R2L syntax

2003-01-17 Thread Brent Dax
Damian Conway: # Brent Dax wrote: # Incorrect. # No. Your reading was correct. This is a rare case of Brent # being mistaken. Ack, sorry to both you and Buddha, and anyone else I inadvertently confused. Well, at least I'm good enough for this to be considered a rare case. :^) --Brent Dax

RE: L2R/R2L syntax

2003-01-17 Thread Brent Dax
Damian Conway: # What ~ and ~ do is to (respectively) allow arguments and # invocants to appear in a different position to normal: # arguments to the left of the subroutine/method name, and # invocants to the right of the method's argument list. # # So, for subroutine arguments, these are

Re: L2R/R2L syntax [x-adr][x-bayes]

2003-01-17 Thread Damian Conway
We should bear in mind that Larry has had some health issues. And that he's currently unemployed with four children to support. Other matters are taking precedence at the moment. Hmm... If the Larry and the Perl Foundation would be agreeable. I'd just as soon see a grant set up for Larry again

Re: L2R/R2L syntax [x-adr][x-bayes]

2003-01-17 Thread Paul Johnson
On Fri, Jan 17, 2003 at 03:10:48PM -0800, Damian Conway wrote: It's my understanding that TPF is not intending to offer Larry (or Dan) another grant for 2003. They feel that too many people have come to see TPF's role and contribution to have been limited to Perl 6 (though funding Dan was in

Re: L2R/R2L syntax [x-adr][x-bayes]

2003-01-17 Thread Damian Conway
Paul Johnson wrote: Well, I'll be pretty interested to discover what cause is deemed more deserving than Larry, Perl 6 or Parrot. The P still stands for Perl, right? True. But I suspect that TPF's position is that, to many people, Perl 6 is far less important than mod_Perl, or DBI, or

Re: L2R/R2L syntax

2003-01-17 Thread Simon Cozens
[EMAIL PROTECTED] (Michael Lazzaro) writes: No. I said it was _special_, not _impossible_. You said in Perl 5 it was X instead of Y. But it turned out to be Y after all. -- He was a modest, good-humored boy. It was Oxford that made him insufferable.

Re: Civility, please. (was Re: L2R/R2L syntax)

2003-01-17 Thread Simon Cozens
[EMAIL PROTECTED] (Michael Lazzaro) writes: I don't think any aspect of this discussion is hinged on people being 'ignorant' of perl5 behaviors, Oh, I do, and you've dismissed that argument out of hand. This isn't name-calling; this is a plea for Perl 6 not to become a language designed by a

Re: L2R/R2L syntax [x-adr][x-bayes]

2003-01-17 Thread Simon Cozens
[EMAIL PROTECTED] (Damian Conway) writes: True. But I suspect that TPF's position is that, to many people, Perl 6 is far less important than mod_Perl, or DBI, or HTML::Mason, or POE, or PDL, or Inline, or SpamAssassin, or XML::Parser, or YAML, or the Slashcode, or any of a hundred other

Re: L2R/R2L syntax [x-adr][x-bayes]

2003-01-17 Thread Simon Cozens
[EMAIL PROTECTED] (Paul Johnson) writes: That may well be true, but it seems to me that if people's jobs depend on those projects then there is (or could be or should be) a source of funding available, should such be required, namely the companies who are (hopefully) making a profit on the

Re: Civility, please. (was Re: L2R/R2L syntax)

2003-01-17 Thread Damian Conway
Simon Cozens wrote: This isn't name-calling; this is a plea for Perl 6 not to become a language designed by a committee of ignorant amateurs. Fortunately there is absolutely no chance of that. Perl 6 is a language being designed by exactly one person. And he's neither ignorant, nor an

Re: L2R/R2L syntax [x-adr][x-bayes]

2003-01-17 Thread Paul Johnson
On Sat, Jan 18, 2003 at 02:11:37AM +, Simon Cozens wrote: [EMAIL PROTECTED] (Paul Johnson) writes: That may well be true, but it seems to me that if people's jobs depend on those projects then there is (or could be or should be) a source of funding available, should such be required,

Re: L2R/R2L syntax

2003-01-17 Thread Damian Conway
Michael Lazzaro wrote: If the usual syntax for a 2-arg subroutine call is: foo A, B; # (1) and the preferred perl5 Cmap syntax is: map {...} @a; # (2) Then (2) is not grammatically following the same rule as (1). It works because there is a rule that says the {...} doesn't need

Re: Array Questions

2003-01-17 Thread Damian Conway
Michael Lazzaro wrote: Great -- then I have only one more question, I think. In the words of a certain cartoon character, what's *this* button do? my $b is $a; Syntax error, I'd expect. Though the desired effect could probably be achieved with the Cprop meta-property: my $b is

Re: Array Questions

2003-01-17 Thread Damian Conway
Jonathan Scott Duff wrote: will this: my $a $b; be illegal? I certainly hope so! Damian

Re: Array Questions

2003-01-17 Thread Damian Conway
Piers Cawley observed: BTW, Cmy Foo $a is Foo is just sick! (i.e. I'll *definitely* be using it ;-) Surely anyone who does C my Array @foo , or C my Scalar $foo will be using it, albeit indirectly. Of course, but without the brain-twisting effect of the repeated classname. ;-) Damian