On 10/27/05, Larry Wall <[EMAIL PROTECTED]> wrote:
> On Thu, Oct 27, 2005 at 05:37:13AM -0400, Rob Kinyon wrote:
> : Will I be able to do something like:
> :
> : package Foo;
>
> Hmm, you just started in Perl 5 mode.
>
> : $*VERSION = 1.3.2;
>
> Perl 5 would get confused here, so I'm presuming Perl
On Thu, Oct 27, 2005 at 05:37:13AM -0400, Rob Kinyon wrote:
: Will I be able to do something like:
:
: package Foo;
Hmm, you just started in Perl 5 mode.
: $*VERSION = 1.3.2;
Perl 5 would get confused here, so I'm presuming Perl 6. But Perl 6
isn't likely to let you override the global run-tim
On 10/26/05, Larry Wall <[EMAIL PROTECTED]> wrote:
> On Wed, Oct 26, 2005 at 07:35:05PM -0700, chromatic wrote:
> : On Wed, 2005-10-26 at 21:58 -0400, Rob Kinyon wrote:
> :
> : > Plus, the argument is a straw man. Instead of:
> : >
> : > class Some::Class is also {
> : > }
> : >
> : > you w
On 10/26/05, Rob Kinyon <[EMAIL PROTECTED]> wrote:
> What about:
>
> class Foo is also {
> method foo() { ... }
> }
>
> Where the second foo() is no longer what the first foo() did.
Just overwrite the vtable.
> Furthermore, let's say you have:
>
> class Bar isa Foo {
>
On Wed, Oct 26, 2005 at 07:35:05PM -0700, chromatic wrote:
: On Wed, 2005-10-26 at 21:58 -0400, Rob Kinyon wrote:
:
: > Plus, the argument is a straw man. Instead of:
: >
: > class Some::Class is also {
: > }
: >
: > you would do:
: >
: > class My::Version {
: > does Some::C
On Wed, 2005-10-26 at 21:58 -0400, Rob Kinyon wrote:
> Plus, the argument is a straw man. Instead of:
>
> class Some::Class is also {
> }
>
> you would do:
>
> class My::Version {
> does Some::Class;
> }
>
> Problem solved.
Don't forget the fun of modifying all existin
On 10/26/05, Luke Palmer <[EMAIL PROTECTED]> wrote:
[snip]
> Okay, an open class means you can add methods to it, right? So, let's
> say you have this class:
>
> class Foo {
> method foo() {...}
> method bar() {...}
> }
>
> And this code:
>
> my Foo $x = Foo.new;
>
On Wed, 2005-10-26 at 19:22 -0600, Luke Palmer wrote:
> But we find that many programmers make decisions that trade
> readability and extensibility for an extra 1% of speed, even when they
> are writing a command-line frontend to MPlayer[1]. If those people
> are module writers, then we have a bu
On Wed, Oct 26, 2005 at 08:48:12PM -0400, Rob Kinyon wrote:
: If a role is an immutable class, that means that its internals cannot
: be changed. Hence, the compiler can trust that it will be the same at
: the end as at the beginning. Which means it's optimized. Which means
: my objects run faster
On 10/26/05, Rob Kinyon <[EMAIL PROTECTED]> wrote:
> On 10/26/05, chromatic <[EMAIL PROTECTED]> wrote:
> > On Wed, 2005-10-26 at 20:29 -0400, Rob Kinyon wrote:
> >
> > > I would prefer to use roles as they're closed by default, leaving
> > > "class" to be my powertool, if I need the power.
> >
> >
On 10/26/05, chromatic <[EMAIL PROTECTED]> wrote:
> On Wed, 2005-10-26 at 20:29 -0400, Rob Kinyon wrote:
>
> > I would prefer to use roles as they're closed by default, leaving
> > "class" to be my powertool, if I need the power.
>
> I don't understand this desire; can you explain your reasoning?
On Wed, 2005-10-26 at 20:29 -0400, Rob Kinyon wrote:
> I would prefer to use roles as they're closed by default, leaving
> "class" to be my powertool, if I need the power.
I don't understand this desire; can you explain your reasoning?
(NB: "closed" here, as I use it, still *does not* correspond
> : 3) Aren't classes mutable and roles immutable by default only? Or has
> : this changed?
>
> Of course. To change the default for a role, call it a class, and
> to change the default for a class, call it a role. :-)
Does this mean that roles are the recommended way to create immutable
classes
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