Re: Ex4 smart match question

2002-04-08 Thread Piers Cawley
Damian Conway <[EMAIL PROTECTED]> writes: > Incidentally, the table of C<=~> comparisons (Table 1) at: > > http://dev.perl.org/perl6/apocalypse/4 > > suggests that hash/hash matching is equivalent to: > > match if grep exists $a{$_}, $b.keys > > I hope to convince Larry that it would b

Re: Bracekets

2002-04-08 Thread Dan Sugalski
At 2:33 PM +0100 4/7/02, Piers Cawley wrote: >"Jonathan E. Paton" <[EMAIL PROTECTED]> writes: >> but wait, there's more... what does: >> >> @multi_dim[$a][$b][$c] >> >> give? > >Who cares? So long as the intermediate results in >@multi_dim.[$a].[$b].[$c] respond to []. Hrm. Will they need to?

Re: Bracekets

2002-04-08 Thread Jonathan E. Paton
> >> but wait, there's more... what does: > >> > >> @multi_dim[$a][$b][$c] > >> > >> give? > > > >Who cares? So long as the intermediate results in > >@multi_dim.[$a].[$b].[$c] respond to []. > > Hrm. Will they need to? That could arguably pass a three > element key ($a,$b,$c) to @multi_dim w

Re: Bracekets

2002-04-08 Thread Piers Cawley
Dan Sugalski <[EMAIL PROTECTED]> writes: > At 2:33 PM +0100 4/7/02, Piers Cawley wrote: >>"Jonathan E. Paton" <[EMAIL PROTECTED]> writes: >>> but wait, there's more... what does: >>> >>> @multi_dim[$a][$b][$c] >>> >>> give? >> >>Who cares? So long as the intermediate results in >>@multi_dim.[$

Re: Bracekets

2002-04-08 Thread Aaron Sherman
On Mon, 2002-04-08 at 13:01, Jonathan E. Paton wrote: > I'm I beating this point to death, or do I have to write > the RPC: > > "Keep the {} and [] notation for hashes and arrays" > > or > > "Save our array!" Let's boil this RFC down to one short phrase: If {} goes away in Perl6, then everyt

Re: Bracekets

2002-04-08 Thread Piers Cawley
Aaron Sherman <[EMAIL PROTECTED]> writes: > On Mon, 2002-04-08 at 13:01, Jonathan E. Paton wrote: > >> I'm I beating this point to death, or do I have to write >> the RPC: >> >> "Keep the {} and [] notation for hashes and arrays" >> >> or >> >> "Save our array!" > > Let's boil this RFC down to

Re: Bracekets

2002-04-08 Thread Jonathan E. Paton
> > I'm I beating this point to death, or do I have to write > > the RPC: > > > > "Keep the {} and [] notation for hashes and arrays" > > > > or > > > > "Save our array!" > > Let's boil this RFC down to one short phrase: > > If {} goes away in Perl6, then everything you've heard > about Perl6

Re: Bracekets

2002-04-08 Thread Jonathan Scott Duff
On Mon, Apr 08, 2002 at 02:50:55PM -0400, Aaron Sherman wrote: > Also, just wondering: > > $_[_][EMAIL PROTECTED] _=_0_-_ > > does that work the way I expect it to? Well, my internal Perl 6 parser hadn't been used all that much, but if you expect this to be a syntax error, then I think yo

Re: Bracekets

2002-04-08 Thread Mark J. Reed
On Mon, Apr 08, 2002 at 07:56:11PM +0100, Piers Cawley wrote: > > Also, just wondering: > > > > $_[_][EMAIL PROTECTED] _=_0_-_ > > > > does that work the way I expect it to? > > Dunno, what do you expect it to do?. To my way of thinking there's > going to be a syntax error at the third '_'. B

Re: Bracekets

2002-04-08 Thread Piers Cawley
"Mark J. Reed" <[EMAIL PROTECTED]> writes: > On Mon, Apr 08, 2002 at 07:56:11PM +0100, Piers Cawley wrote: >> > Also, just wondering: >> > >> >$_[_][EMAIL PROTECTED] _=_0_-_ >> > >> > does that work the way I expect it to? >> >> Dunno, what do you expect it to do?. To my way of thinking ther

Re: Bracekets

2002-04-08 Thread Aaron Sherman
On Mon, 2002-04-08 at 14:56, Piers Cawley wrote: > Aaron Sherman <[EMAIL PROTECTED]> writes: > > Also, just wondering: > > > > $_[_][EMAIL PROTECTED] _=_0_-_ > > > > does that work the way I expect it to? > > Dunno, what do you expect it to do?. To my way of thinking there's > going to be a

Re: Bracekets

2002-04-08 Thread Aaron Sherman
On Mon, 2002-04-08 at 15:09, Mark J. Reed wrote: > On Mon, Apr 08, 2002 at 07:56:11PM +0100, Piers Cawley wrote: > > > Also, just wondering: > > > > > > $_[_][EMAIL PROTECTED] _=_0_-_ > > > > > > does that work the way I expect it to? > > > > Dunno, what do you expect it to do?. To my way of th

Re: Bracekets

2002-04-08 Thread Aaron Sherman
On Mon, 2002-04-08 at 15:12, Piers Cawley wrote: > "Mark J. Reed" <[EMAIL PROTECTED]> writes: > > > On Mon, Apr 08, 2002 at 07:56:11PM +0100, Piers Cawley wrote: > >> > $_[_][EMAIL PROTECTED] _=_0_-_ > > $_.[_()] _ @_._() _= _0_() - _() [...] > > This is where my interpretation fails because t

Re: Bracekets

2002-04-08 Thread Nicholas Clark
On Mon, Apr 08, 2002 at 06:01:57PM +0100, Jonathan E. Paton wrote: > To make the symbols {} and [] aggregate you'd have to > default [] to using hashes - and force it back to > arrays using explicit syntax. You can't automagically > decide that it's never going to be used like a hash. > > I'm I

Re: Unary dot

2002-04-08 Thread Larry Wall
Damian Conway writes: : > > use invocant 'self'; Hmm. My first inclination is to say it should be something like: macro self { '%MY.frame.arg[0]' } But suppose you want all .foo to refer to self and not to the current topic. It would be problematic to have a macro whose name is "". S

Re: Unary dot

2002-04-08 Thread Damian Conway
Larry wrote: > : > > use invocant 'self'; > > Hmm. My first inclination is to say it should be something like: > > macro self { '%MY.frame.arg[0]' } > > But suppose you want all .foo to refer to self and not to the current > topic. It would be problematic to have a macro whose name

Re: Bracekets

2002-04-08 Thread Larry Wall
Aaron Sherman writes: : On Mon, 2002-04-08 at 13:01, Jonathan E. Paton wrote: : : > I'm I beating this point to death, or do I have to write : > the RPC: : > : > "Keep the {} and [] notation for hashes and arrays" : > : > or : > : > "Save our array!" : : Let's boil this RFC down to one short

Re: Unary dot

2002-04-08 Thread Larry Wall
Damian Conway writes: : > Fortunately, Igority is transitive... : : I thought that was maxim was: "Igorance is blithth". That's not a maxim, that's a minim. Larry

Re: Unary dot

2002-04-08 Thread Damian Conway
> : I thought that was maxim was: "Igorance is blithth". > > That's not a maxim, that's a minim. No need to get all crotchet-y. Damian

Re: Bracekets

2002-04-08 Thread Erik Steven Harrison
> >$a is a hash key >$b is an array index >$c is another hash key > >So, if I try: > >@multi_dim[$b][$a][$c] > >then it's obviously going to break. But how can I, the >programmer, easily spot that? It's not as clear as: > >@multi_dim{$a}[$b]{$c} > >where I can see what I'm getting as I work thr

Re: Bracekets

2002-04-08 Thread Luke Palmer
> As to the inspring issue about using [] for hashes, I say go for it if > (and only if) it is a signifigant improvement for the parser. I would imagine it's not. The braces are one of the things that make Perl "feel" like Perl. My original post that inspired this gigantic discussion was simp