From: Aleks Kissinger <aleks0@...>
Date: 2006-07-27T01:07:48+09:00
Subject: Re: Truncate an array

ah, thats the one.

On 7/26/06, Berger, Daniel <Daniel.Berger@qwest.com> wrote:
> > -----Original Message-----
> > From: Aleks Kissinger [mailto:aleks0@gmail.com]
> > Sent: Wednesday, July 26, 2006 8:44 AM
> > To: ruby-talk ML
> > Subject: Re: Truncate an array
> >
> >
> > I'd thought about that too.  This is bad for two reasons.
> >
> > 1. SOME_ARRAY is 'supposedly' a constant, in that ruby
> > complains if you assign to it more than once.
>
> If it's not constant, don't make it a constant.
>
> > 2. We didn't really truncate the array, just made a new empty one.
>
> <snip>
>
> Ok, use Array#clear then:
>
> irb(main):014:0> a = [1,2,3]
> => [1, 2, 3]
> irb(main):015:0> b = a
> => [1, 2, 3]
> irb(main):016:0> a.clear
> => []
> irb(main):017:0> a
> => []
> irb(main):018:0> b
> => []
>
> Regards,
>
> Dan
>
>
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