Am Freitag, den 16.10.2009, 10:54 +0400 schrieb Richard Hainsworth:
Arising out of Freezing Roles is a related question.
Suppose I download a module from CPAN with a role I want to use, but it
introduces a method that I want that is in conflict with an existing
method (say one taken from
Author: lwall
Date: 2009-10-19 19:20:38 +0200 (Mon, 19 Oct 2009)
New Revision: 28846
Modified:
docs/Perl6/Spec/S12-objects.pod
Log:
[S12] treat all delegation objects equally including arrays and hashes
Modified: docs/Perl6/Spec/S12-objects.pod
On 2009-Oct-18, at 3:44 pm, Jon Lang wrote:
David Green wrote:
I would expect that role Logging { method log(Numeric $x:) {...} }
means the invocant is really of type Numeric Logging, without
Logging having to do Numeric. On the other hand, I can see that
strictly that might not make
Raphael Descamps wrote:
I personally don't understand why we don't have a exclude and alias
operator in Perl 6 but I have not read all the synopses and don't have
an overview.
I don't think that it's explicitly spelled out anywhere; but the
reason is fairly straightforward: exclude and alias
In Aiasing methods in CPAN roles, David Green wrote:
Jon Lang wrote:
David Green wrote:
I would expect that role Logging { method log(Numeric $x:) {...} }
means the invocant is really of type Numeric Logging, without Logging
having to do Numeric. On the other hand, I can see that strictly
On 2009-Oct-19, at 5:50 pm, Jon Lang wrote:
In Aiasing methods in CPAN roles, David Green wrote:
I don't want my special log() method to work only for other types
that explicitly do NumLog; I want it to work for any type that
directly does Numeric does Logging.
But if Logging doesn't do
Raphael Descamps wrote:
In the original traits paper the aliasing is not deep: to respect the
flattening property, the semantic of the role must not change, so
aliasing a recursive method will call the original method. It's a known
theoretical weakness of the traits paper and freezing roles
David Green wrote:
Jon Lang wrote:
In Aiasing methods in CPAN roles, David Green wrote:
I don't want my special log() method to work only for other types that
explicitly do NumLog; I want it to work for any type that directly does
Numeric does Logging.
But if Logging doesn't do Numeric,