From: dblack@...
Date: 2006-06-24T21:03:03+09:00
Subject: Re: prop = x => y

Hi --

On Sat, 24 Jun 2006, Roger Johansson wrote:

> also , is it wrong to use the x => y construct in other context than
> describing hashtables?

I don't know of any meaning for => other than hash separator.

> in my case my idea was to associate symbols with values in a sort of
> .net attribute/annotation way
>
> "
> meta.some_prop= :parent_of => [:sometype,:someprop]
> attr_accessor :some_prop
> "
>
> it works just fine for everything except for set properties. (whatever
> you might call them in ruby)
>
> "
> meta.my_meth :foo => :bar
> def my_meth()
> end
> "
>
> works just fine..
>
> (the "meta" is an extended method on Class which returns an attribute
> object which in turn handles method_missing and then stores the
> class,methodid and data in a static lookup)

Be advised: nothing is static in Ruby :-)


David

-- 
David A. Black (dblack@wobblini.net)
Ruby Power and Light, LLC (http://www.rubypowerandlight.com)

See what the readers are saying about "Ruby for Rails"!
http://www.rubypowerandlight.com/quotes