From: darren kirby <bulliver@...>
Date: 2006-06-07T06:45:18+09:00
Subject: Re: Attributes not populated until called?

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quoth the Robert Dober:
> On 6/6/06, darren kirby <bulliver@badcomputer.org> wrote:
> > quoth the Robert Dober:
> > > On 6/6/06, Robert Dober <robert.dober@gmail.com> wrote:
> >
> > <snip>
> >
> > > > No the programmatic behavior is clear, I fail to see the reason
> >
> > though,
> >
> > > > but there might be one.
> > > > As a matter of fact there is a good reason to cache the value of the
> > > > attribute in the reader but that would be done like this
> > >
> > > Sorry slipped from a key, continuing...
> > >
> > > @year ||=3D @tags.tag['date']
> > >
> > >
> > > which will access the hash only  once.
> >
> > I tried this and it is giving me the default tags (from the super class)
> > rather than using 'ogginfo'?! So is putting them in initialize() (see my
> > response to James Britt...
>
> That is strange, you mean @year is not initialized when calling to_a, but
> it is when
> calling the accessor method first?

Well, that is what I was seeing before. After trying your code it is gettin=
g=20
set to 'unknown' which is what the super class assigns to @year...

> Anyway that might not be what you are interested in, the caching mechanism
> is maybe not
> what you wanted either, I was just guessing about semantics ;)
>
> Cheers
> Robert
>
> > Hope that helped
> >
> > > Robert
> > >
> > > -d
> > >
> > > > > --
> > > > > darren kirby :: Part of the problem since 1976 ::
> > > > > http://badcomputer.org "...the number of UNIX installations has
> >
> > grown
> >
> > > > > to 10, with more expected..."
> > > > > - Dennis Ritchie and Ken Thompson, June 1972
> > > >
> > > > --
> > > > Deux choses sont infinies : l'univers et la b=EAtise humaine ; en ce
> > > > qui concerne l'univers, je n'en ai pas acquis la certitude absolue.
> > > >
> > > > - Albert Einstein
> >
> > -d
> > --
> > darren kirby :: Part of the problem since 1976 :: http://badcomputer.org
> > "...the number of UNIX installations has grown to 10, with more
> > expected..."
> > - Dennis Ritchie and Ken Thompson, June 1972

=2D-=20
darren kirby :: Part of the problem since 1976 :: http://badcomputer.org
"...the number of UNIX installations has grown to 10, with more expected..."
=2D Dennis Ritchie and Ken Thompson, June 1972

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