From: Stefan Rusterholz <apeiros@...>
Date: 2007-08-12T19:07:07+09:00
Subject: Re: first and last char

Daniel DeLorme wrote:
> Stefan Rusterholz wrote:
>> Ew, that's awfully complex. You create n new objects from which you 
>> throw n-1 away again...
>> Think of the memory! ;-)
>> def first; self[0,1]; end; def last; self[-1,1]; end
> 
> wrong, that's the first and last *bytes*, not characters.
> 
> def first; self[/\A./m]; end
> def last; self[/.\z/m]; end
> 
>  >> $KCODE='u'
> => "u"
>  >> "日本語".first
> => "日"
>  >> "日本語".last
> => "語"
> 
> Daniel

You are right, your solution is better.

Regards
Stefan
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