Michael G Schwern wrote:
> Hmmm... an object which contains a method reference which contains a
> referent to itself.
>
Yup. I don't know why some people think that circular references are complex
;-)
>
> > Something like this would be nice in a class that creates method
> > references--it would s
On Sun, Dec 17, 2000 at 11:28:49PM +1100, Jeremy Howard wrote:
> There's not necessarily any circular reference. The problem is that method
> references are frequently used to implement event callbacks. This would
> generally look something like this:
Hmmm... an object which contains a method re
Michael G Schwern wrote:
> On Sun, Dec 17, 2000 at 12:11:01PM +1100, Jeremy Howard wrote:
> > Something to be careful of--it's easy to create a circular reference
when
> > using method pointers. As a result, neither the referrer nor referee
objects
> > are ever destroyed.
> >
> > When using method
On Sun, Dec 17, 2000 at 12:11:01PM +1100, Jeremy Howard wrote:
> Something to be careful of--it's easy to create a circular reference when
> using method pointers. As a result, neither the referrer nor referee objects
> are ever destroyed.
>
> When using method references it's important that your
Michael G Schwern wrote:
> package Class::MethRef;
> use strict;
>
> sub meth_ref {
> my($proto, $method, @args) = @_;
> return sub { $proto->$method(@args) };
> }
>
>
> So this...
>
> my $meth_ref = $obj->meth_ref('foo', @some_stuff);
> $meth_ref->();
>
> is equivalent to this..
>
> $
On Fri, Dec 15, 2000 at 11:23:23PM -0800, Ian Hickson wrote:
> Having said that: The only feature that I really miss from Perl 5 is the
> lack of method pointers -- that is, references to functions in a package
> with an associated object.
Oh, that's easy. Use a closure...
my $foo = Foo->new;
m
On 16 Dec 2000, Randal L. Schwartz wrote:
>
>
>>> So: What I would love to see in Perl 6 is a way of having a single
>>> scalar that holds a reference to a particular instance's method.
>>> Is there any chance that this would be considered? Or is this already
>>> possible in Perl 5 but I have mis
> "Ian" == Ian Hickson <[EMAIL PROTECTED]> writes:
Ian> So: What I would love to see in Perl 6 is a way of having a single scalar
Ian> that holds a reference to a particular instance's method.
Ian> Is there any chance that this would be considered? Or is this already
Ian> possible in Perl 5
On Fri, 15 Dec 2000, Michael Fowler wrote:
> On Fri, Dec 15, 2000 at 11:23:23PM -0800, Ian Hickson wrote:
> > So: What I would love to see in Perl 6 is a way of having a single scalar
> > that holds a reference to a particular instance's method.
> >
> > Is there any chance that this would be con
On Fri, Dec 15, 2000 at 11:23:23PM -0800, Ian Hickson wrote:
> So: What I would love to see in Perl 6 is a way of having a single scalar
> that holds a reference to a particular instance's method.
>
> Is there any chance that this would be considered? Or is this already
> possible in Perl 5 but I
I'm very new to the Perl 6 development process, and apart from browsing
through the RFCs and the archives of this mailing list, I haven't done
much research. So I apologise in advance if I'm breaking some etiquette/
convention by jumping in here with a half-baked idea!
Having said that: The only
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