From: Robert Dober <robert.dober@...>
Date: 2006-06-07T06:41:06+09:00
Subject: Re: Attributes not populated until called?

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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 i=
t
is when
calling the accessor method first?

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
>
>
>


--=20
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

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