-Original Message-
From: chromatic [mailto:[EMAIL PROTECTED]
We are trying to avoid the java.lang.String is Final
problem here in various ways. One of them is not allowing
library designers to mark things as final.
Overloading final was Java's rather inept attempt to define
I wrote:
Overloading final was Java's rather inept attempt to
define objects with value semantics rather than container semantics
John M. Dlugosz [EMAIL PROTECTED] wrote:
Can you tell me more about that, or point to something?
Alas I can't point to anything, it's just a personal
Kealey, Martin, ihug-NZ Martin.Kealey-at-vodafone.com |Perl 6| wrote:
In Java, final is used to denote both a *class* that can't change (extend),
and *value* that can't change (a constant member of the class).
Got it: on a value it means readonly.
--John
Overloading final was Java's rather inept attempt to define objects with value semantics rather than container semantics
Can you tell me more about that, or point to something?
HaloO,
Nicholas Clark wrote:
Is there any way to pre-declare that I want to defer baking the role from a
class? (Which I guess would make it an error to reference that role at run
time in any way, until I'd issued a second declaration that I was done, and
baking season is open)
I fear this is
On Fri, May 02, 2008 at 12:21:27PM -0700, chromatic wrote:
On Friday 02 May 2008 11:55:54 Larry Wall wrote:
On Fri, May 02, 2008 at 11:15:34AM -0700, chromatic wrote:
: All classes imply the existence of a role of the same name.
If a role is derived from a class, it must of necessity
All classes imply the existence of a role of the same name.
-- c
Please justify that.
--John
As a 'Joe Blow' type programmer trying to follow this thread, I went
back to the traits paper
http://web.cecs.pdx.edu/~black/publications/TR_CSE_02-012.pdf and read
John's Polymorphism paper.
On 2008 May 3, at 6:25, Richard Hainsworth wrote:
- if u want to add a role to an existing object, perl wraps the
object into a class, adds the role, reinstantiates the object.
As I understand it, Perl inserts a new anonymous class as the object's
parent, and adds the role to that. The
chromatic chromatic-at-wgz.org |Perl 6| wrote:
On Friday 02 May 2008 07:08:21 John M. Dlugosz wrote:
TSa Thomas.Sandlass-at-barco.com |Perl 6| wrote:
Then, since classes are open, the programmer can easily say
CGI does CGI::Simple;
That would be
class CGI is also {
On Friday 02 May 2008 11:44:40 John M. Dlugosz wrote:
chromatic chromatic-at-wgz.org |Perl 6| wrote:
All classes imply the existence of a role of the same name.
Please justify that.
http://www.perlfoundation.org/perl6/index.cgi?perl_6_people
I could edit it into a Synopsis if you really
On Friday 02 May 2008 13:11:55 Larry Wall wrote:
On Fri, May 02, 2008 at 12:22:00PM -0700, chromatic wrote:
: I could edit it into a Synopsis if you really want.
Tweet! Foul on #17. Two shots!
What's the point of omnipotence if you can't swoop down from the rafters once
in a while and
John M. Dlugosz wrote:
chromatic chromatic-at-wgz.org |Perl 6| wrote:
All classes imply the existence of a role of the same name.
Please justify that.
A class is an defined, referenceable entity with a signature composed
of the bits visible to a particular caller. It is possible, by
chromatic chromatic-at-wgz.org |Perl 6| wrote:
http://www.perlfoundation.org/perl6/index.cgi?perl_6_people
I could edit it into a Synopsis if you really want.
-- c
Or just explain the reasoning that's missing now.
Why is there any difference in declaring classes and roles if a class
Larry Wall larry-at-wall.org |Perl 6| wrote:
On Fri, May 02, 2008 at 12:22:00PM -0700, chromatic wrote:
: On Friday 02 May 2008 11:44:40 John M. Dlugosz wrote:
:
: chromatic chromatic-at-wgz.org |Perl 6| wrote:
:
: All classes imply the existence of a role of the same name.
:
: Please
On Friday 02 May 2008 16:07:56 John M. Dlugosz wrote:
chromatic chromatic-at-wgz.org |Perl 6| wrote:
Why is there any difference in declaring classes and roles if a class
can be used as the target of either 'is' or 'does'?
You can't instantiate a role. You can instantiate a class.
When you
What's the point of omnipotence if you can't swoop down from the rafters
once
in a while and save your hero from almost certain peril?
To quote *Larry from Time Bandits - er, something to do with free
will.
a
---
Andy Bach
Systems Mangler
Internet: [EMAIL PROTECTED]
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