- Original Message
> From: TSa (Thomas Sandlaß)
> > >> So what the OP wants to do is declare a method that is available on
> > >> all those invocants - and only those invocatnts - which do all of
> > >> roles X, Y, and Z. Granted, you can declare a new role XandYandZ
> > >> that does X
Author: moritz
Date: 2009-10-21 09:55:53 +0200 (Wed, 21 Oct 2009)
New Revision: 28868
Modified:
docs/Perl6/Spec/S06-routines.pod
Log:
[S06] more consistency on name collisions in signatures, masak++
Modified: docs/Perl6/Spec/S06-routines.pod
Author: masak
Date: 2009-10-21 10:50:10 +0200 (Wed, 21 Oct 2009)
New Revision: 28870
Modified:
docs/Perl6/Spec/S06-routines.pod
Log:
[S06] third attempt at describing elusive name collision
Modified: docs/Perl6/Spec/S06-routines.pod
=
On Wed, Oct 21, 2009 at 3:47 AM, Ovid
wrote:
> I was asking the special case where:
>
> 1. A class consumes two (or more) roles
> 2. Each roles provides a method with an identical signature
> 3. The methods are not equivalent and neither role can rely on the other's
> method
>
>
> With that, you
Ovid wrote:
I was asking the special case where:
1. A class consumes two (or more) roles
2. Each roles provides a method with an identical signature
3. The methods are not equivalent and neither role can rely on the other's
method
With that, you have roles which cannot be composed. You must
Jonathan Worthington wrote:
> Ovid wrote:
>>
>> I was asking the special case where:
>>
>> 1. A class consumes two (or more) roles
>> 2. Each roles provides a method with an identical signature
>> 3. The methods are not equivalent and neither role can rely on the other's
>> method
>>
>> With that,
Come, let us hasten to a higher plane
Where dyads tread the fairy fields of Venn,
Their indices bedecked from one to ''n''
Commingled in an endless Markov chain!
I'll grant thee random access to my heart,
Thou'lt tell me all the constants of thy love;
And
HaloO,
Jon Lang wrote:
I have some more thoughts on this; but I'm on a time crunch at the
moment, and would really like to get some feedback on the above before
proceeding further: have I missed anything in my reasoning?
I fully understand what you mean, I hope. But note that all instances
of
TSa wrote:
> Jon Lang wrote:
>>
>> I have some more thoughts on this; but I'm on a time crunch at the
>> moment, and would really like to get some feedback on the above before
>> proceeding further: have I missed anything in my reasoning?
>
> I fully understand what you mean, I hope. But note that
HaloO,
On Wednesday, 21. October 2009 12:40:06 Mark J. Reed wrote:
> Rather than disallow the composition, I'd say that any class, role, or
> object that does both roles must override the method in question.
The problem that Ovid posed needs to be resolved in the dispatch
tables seen in certain m
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