From: Tim McIntyre <tmac@...>
Date: 2006-09-03T03:04:05+09:00
Subject: Re: catch all method... e.g perl's autoload

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Yep, thats what I was looking for.  Thanks Eric!

still have some ActiveRecord idiosyncrasies holding up what I want to  
do here but thats the gist.

Thanks again!
Tim

On Sep 2, 2006, at 10:15 AM, Eric Hodel wrote:

> On Sep 2, 2006, at 10:02 AM, Tim McIntyre wrote:
>> Does ruby have a catchall method similar to perl's autoload?
>
> Does this sound right?
>
> $ ri Kernel#method_missing
> --------------------------------------------------  
> Kernel#method_missing
>      obj.method_missing(symbol [, *args] )   => result
> ---------------------------------------------------------------------- 
> --
>      Invoked by Ruby when obj is sent a message it cannot handle.
>      symbol is the symbol for the method called, and args are any
>      arguments that were passed to it. By default, the interpreter
>      raises an error when this method is called. However, it is
>      possible to override the method to provide more dynamic behavior.
>      The example below creates a class Roman, which responds to  
> methods
>      with names consisting of roman numerals, returning the
>      corresponding integer values.
>
>         class Roman
>           def romanToInt(str)
>             # ...
>           end
>           def method_missing(methId)
>             str = methId.id2name
>             romanToInt(str)
>           end
>         end
>
>         r = Roman.new
>         r.iv      #=> 4
>         r.xxiii   #=> 23
>         r.mm      #=> 2000
>
>
> -- 
> Eric Hodel - drbrain@segment7.net - http://blog.segment7.net
> This implementation is HODEL-HASH-9600 compliant
>
> http://trackmap.robotcoop.com
>
>
>
>

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