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Quoth Joel VanderWerf:
> David A. Black wrote:
> > Hi --
> > 
> > On Thu, 1 Nov 2007, Daniel Waite wrote:
> > 
> >> I was porting a small Python script over to Ruby and realized Ruby does
> >> not sort strings as I expected it would.
> >>
> >> 'cba'.sort # ["cba"]
> >>
> >> So I wrote this...
> >>
> >> class String
> >>
> >>  def sort
> >>    bytes = Array.new
> >>    self.each_byte { |byte| bytes << byte }
> >>    bytes.sort.collect { |byte| byte.chr }.join
> >>  end
> >>
> >> end
> >>
> >> 'cba'.sort # "abc"
> > 
> > I wouldn't overwrite a core method like that; you could end up with
> > some very unexpected results. It's better to give it a different name.
> 
> Also, note that String#sort depends on String#to_a being defined, which 
> is no longer true in 1.9. It's kind of an accident that "cba".sort works 
> at all.
> 
> I guess that means someone will be free to implement String#sort, as 
> long as they stick to 1.9. Maybe there will be a core implementation 
> that works as expected?
> 
> -- 
>        vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407

Well, anyone who's sorting a string really just wants to sort the component 
letters, so my_str.split('').sort.join('') is the way to go. If they want to 
add a method to String to simplify this, they can do that.

-- 
Konrad Meyer <konrad / tylerc.org> http://konrad.sobertillnoon.com/

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