From: Christian Neukirchen <chneukirchen@...>
Date: 2005-02-22T00:48:16+09:00
Subject: Re: destructive! operations

"Bill Kelly" <billk@cts.com> writes:

> From: "Christian Neukirchen" <chneukirchen@gmail.com>
>>
>> Sometimes, I'd like an "eating nil" that returns itself for each
>> method call, and is false.
>> 
>> Then, stuff like that would be possible
>> 
>> while line = gets.ignore_if_nil.chomp
>>   ...
>> end
>> 
>> Maybe just a crazy idea... :-)
>
> class NilClass
>   def method_missing(meth_id, *args); self; end
> end
>
> ?
>
> :)
>
> ObjectiveC's nil works this way.

I know that.

> The downside is you don't find out as early when you
> received an unexpected nil, in situations where you
> would have preferred to be notified.

I know that too, and that's why I want an explict conversion.

> Bill
-- 
Christian Neukirchen  <chneukirchen@gmail.com>  http://chneukirchen.org