On Sat, Apr 30, 2005 at 08:41:52AM +0200, Leopold Toetsch wrote:
> Anyway Parrots MMD system depends on types. *If* the Perl6 compiler defines
> above array as
>
> cl = subclass "FixedFloatArray", "num_Array_shape_3_3_3"
Yes, that is what I am planning to emit for hierarchical and other
subtype
Autrijus Tang <[EMAIL PROTECTED]> wrote:
> my sub get_book () of Hash of Array of Recipe {...}
> my num @nums = Array of num.new(:shape(3;3;3));
> Does Parrot's MMD carry this type information natively?
Neither of above. But:
multi sub foo(Int $a, Num $b) { ... }
aka
.sub foo @MUL
On Fri, Apr 29, 2005 at 02:35:26PM -0400, Aaron Sherman wrote:
> > Sure, but Parrot is not the compiler, it's just something I need to
> > target. Hierarchical signature checking should probably not be done in
> > the VM level.
>
> How do other languages call P6 subroutines and methods? Parrot ha
On Fri, 2005-04-29 at 08:54, Autrijus Tang wrote:
> On Fri, Apr 29, 2005 at 08:33:56AM -0400, Aaron Sherman wrote:
> > > Currently per S09, Perl 6 collection types all have uniform types,
> > > so one has to use the `List of Any` or `Array of Any` return type
> > > instead. That seriously hinders
On Fri, Apr 29, 2005 at 08:33:56AM -0400, Aaron Sherman wrote:
> > Currently per S09, Perl 6 collection types all have uniform types,
> > so one has to use the `List of Any` or `Array of Any` return type
> > instead. That seriously hinders inference and typechecking; however,
> > I wonder if it is
On Wed, 2005-04-27 at 03:32, Autrijus Tang wrote:
> (via http://lambda-the-ultimate.org/node/view/673 )
LtU is a great site, BTW, I highly recommend it to anyone interested in
languages.
> There are a few things in that spec, though, that makes me wonder
> if Perl 6 should have it too:
[...]
On Wed, 2005-04-27 at 09:46, Matt wrote:
> On Wed, 27 Apr 2005 03:32:12 -0400, Autrijus Tang <[EMAIL PROTECTED]>
> wrote:
> > 3. Labels applies to blocks, not statements
[...]
> I've missed out on some Perl6 stuff, so excuse me as this was probably
> already discussed.
>
> Does that mean this
Autrijus Tang wrote:
1. Type variables as role parameters
> [..]
Curiously, A12 and S12 already allows something like that:
role List[Type $t] {
method first() returns ::($t);
method rest() returns List[::($t)];
method cons(::($t) $x) returns List[::($t)];
method
Luke Palmer wrote:
`is pure` would be great to have! For possible auto-memoization of
likely-to-be-slow subs it can be useful, but it also makes great
documentation.
It's going in there whether Larry likes it or not[1]. There are so
incredibly many optimizations that you can do on pure functions,
On Wed, 27 Apr 2005 03:32:12 -0400, Autrijus Tang <[EMAIL PROTECTED]>
wrote:
3. Labels applies to blocks, not statements
Instead of this:
LABEL:
say "Hello!"
say "Hi!"
One has to write this (essentially creating named blocks):
LABEL: {
say "Hello!"
say "Hi!
On Wed, Apr 27, 2005 at 01:53:11AM -0600, Luke Palmer wrote:
> Juerd writes:
> > Autrijus Tang skribis 2005-04-27 17:04 (+0800):
> > > I can certainly see a `is pure` trait on Perl 6 function that declares
> > > them to be safe from side effects. In a sense, `is const` also does that.
> >
> > `i
On 27 Apr 2005 08:21:27 -, [EMAIL PROTECTED] (Rafael Garcia-Suarez)
wrote:
> Autrijus Tang wrote in perl.perl6.language :
> >
> > 4. Software Transaction Memory
> >
> > Like GHC Haskell, Fortress introduces the `atomic` operator that takes a
> > block, and ensures that any code running inside
Juerd writes:
> Autrijus Tang skribis 2005-04-27 17:04 (+0800):
> > I can certainly see a `is pure` trait on Perl 6 function that declares
> > them to be safe from side effects. In a sense, `is const` also does that.
>
> `is pure` would be great to have! For possible auto-memoization of
> likely-
Autrijus Tang skribis 2005-04-27 17:04 (+0800):
> I can certainly see a `is pure` trait on Perl 6 function that declares
> them to be safe from side effects. In a sense, `is const` also does that.
`is pure` would be great to have! For possible auto-memoization of
likely-to-be-slow subs it can be
On Wed, Apr 27, 2005 at 08:21:27AM -, Rafael Garcia-Suarez wrote:
> Autrijus Tang wrote in perl.perl6.language :
> >
> > 4. Software Transaction Memory
> > In Fortress, there is also an `atomic` trait for functions, that
> > declares the entire function as atomic.
>
> Interesting; and this rol
Autrijus Tang wrote in perl.perl6.language :
>
> 4. Software Transaction Memory
>
> Like GHC Haskell, Fortress introduces the `atomic` operator that takes a
> block, and ensures that any code running inside the block, in a
> concurrent setting, must happen transactionally -- i.e. if some
> precondi
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