From: Eric Hodel <drbrain@...7.net>
Date: 2005-05-06T12:50:37+09:00
Subject: Re: Prove me Wrong! Re: RCR 303: nil should accept missing methods


On 05 May 2005, at 20:39, John Carter wrote:

> On Fri, 6 May 2005, Alexey Verkhovsky wrote:
>
>> John Carter wrote:
>>
>>> A very simple and generic way of improving the reliability of Ruby
>>> programs is to implement the NullObject pattern by allowing nil to
>>> accept all and every method instead of throwing a NoMethodError.
>>
>> I, for one, would rather see it throwing an error as it is now. Dead 
>> programs don't tell lies.
>
> I would suggest next 5 times you have a nil class throws NoMethodError 
> crash, just add this at the head of your program...
>
> class NilClass
>   def method_missing( sym, *args)
>     nil
>   end
> end

I think that any RCR than can be implemented in pure ruby doesn't need 
to go into the core.  You can place a package on RAA and get a project 
on RubyForge for these kinds of things handily.

-- 
Eric Hodel - drbrain@segment7.net - http://segment7.net
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