Dan Sugalski wrote:
We can't devolve to isa checking under the hood, because there are
cases where a class can assert that it has a role without pulling in
the role externally. (Storable, for example, will be a likely thing
here as classes assert they do Storable without pulling in an external
On Thu, 2004-05-06 at 10:39, Aaron Sherman wrote:
The simple case is:
sub foo(X $i is rw) {...}
class X {...}
class Y {...}
my Y $var = 'something';
foo($var);
In this case, something kind of interesting has to happen.
Either the signature checking has
At 10:44 AM -0700 5/6/04, chromatic wrote:
On Thu, 2004-05-06 at 10:39, Aaron Sherman wrote:
The simple case is:
sub foo(X $i is rw) {...}
class X {...}
class Y {...}
my Y $var = 'something';
foo($var);
In this case, something kind of interesting has to
On Thu, May 06, 2004 at 01:52:45PM -0400, Dan Sugalski wrote:
: At 10:44 AM -0700 5/6/04, chromatic wrote:
: On Thu, 2004-05-06 at 10:39, Aaron Sherman wrote:
:
: The simple case is:
:
: sub foo(X $i is rw) {...}
: class X {...}
: class Y {...}
: my Y $var = 'something';
:
At 11:03 AM -0700 5/6/04, Larry Wall wrote:
On Thu, May 06, 2004 at 01:52:45PM -0400, Dan Sugalski wrote:
: At 10:44 AM -0700 5/6/04, chromatic wrote:
: On Thu, 2004-05-06 at 10:39, Aaron Sherman wrote:
:
: The simple case is:
:
: sub foo(X $i is rw) {...}
: class X {...}
:
On Thu, 2004-05-06 at 11:24, Dan Sugalski wrote:
Well... sort of, but only because you've defined that for perl 6
classes automatically do themselves--you've conflated inheritance and
interface. Which is fine, except that it falls down in the face of
objects from classes that don't do
At 11:42 AM -0700 5/6/04, chromatic wrote:
On Thu, 2004-05-06 at 11:24, Dan Sugalski wrote:
Well... sort of, but only because you've defined that for perl 6
classes automatically do themselves--you've conflated inheritance and
interface. Which is fine, except that it falls down in the face of
-Original Message-
From: chromatic [mailto:[EMAIL PROTECTED]
Given:
- class A, a superclass
- class AB, a subclass of A
- class Eh, a class that does A but does not inherit
from it
- subroutine signature foo(A some_object)
If the signature
On Thu, 2004-05-06 at 13:27, Austin Hastings wrote:
I think we had this discussion a year or two ago, and Damian was opposed to
the notion that providing the correct methods was equivalent to providing
the interface or belonging to the class.
His reasoning involved Dog and Tree both sharing
-Original Message-
From: chromatic [mailto:[EMAIL PROTECTED]
Sent: Thursday, 06 May, 2004 04:36 PM
To: Austin Hastings
Cc: Perl6 Language List
Subject: RE: is rw trait's effect on signature
On Thu, 2004-05-06 at 13:27, Austin Hastings wrote:
I think we had this discussion
On Thu, 2004-05-06 at 13:47, Austin Hastings wrote:
Then in your example:
The class 'Eh' does A but does not inherit, did you mean:
class Eh {
method A1
method A2
method A3
}
Yes.
I had thought that Cdoes CLASS (class implicitly= role) had been
rejected.
I don't remember in
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