From: Larry Edelstein <ribs@...>
Date: 2007-02-13T17:00:25+09:00
Subject: Re: "super" bug

unknown wrote:

Ah, right...it invokes the specified method on whatever happens to be 
returned by the call to the superclass's method.

It's the downside of weakly typed languages - they make it easy to get 
an oddball result like this.  (Of course not knowing how to actually use 
the language helps, too, heh heh.)

-larry


> On Tue, 13 Feb 2007, Larry Edelstein wrote:
> 
>> Hi all -
>>
>> I misused the "super" keyword and I think I should have received an
>> error, but didn't.
>>
>> I tried "super.my_method_name(..)" and got strange results.  OK, fine,
>> I'm supposed to say "super(..)" or just "super".  But shouldn't I get a
>> compilation error or something?  Is the behavior of
>> "super.my_method_name(..)" even defined?
> 
> sure it is
> 
>    ( the_object_returned = super ).my_method_name( 42 )
> 
> 'super' in ruby is not an object - it defers to the method of the same 
> name in
> the parent class and returns whatever that does.
> 
> regards.
> 
> -a


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