From: Sebastian Hungerecker <sepp2k@...>
Date: 2007-12-28T18:41:07+09:00
Subject: Re: Add Array#first= and Array#last= to std lib

Robert Klemme wrote:
> So far the only argument against I have seen so far is the question
> about assignment to an empty array.  In that case I'd say, either raise
> an exception or silently add the element.  Have to think about this a bit.

I really don't think that's much of an argument. Since last= would be 
equivalent to [-1]= in every other case, it should behave like it in
this case as well (meaning raise an exception) and if last= uses []=
(which I assume, it would) that would automatically be the case anyway.


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