From: Robert Dober <robert.dober@...>
Date: 2007-03-17T07:16:07+09:00
Subject: Re: Issues using array.delete within a loop of the same array

On 3/16/07, Phrogz <gavin@refinery.com> wrote:
> On Mar 16, 4:00 pm, james.d.mast...@gmail.com wrote:
> > On Mar 16, 2:01 pm, Timothy Hunter <TimHun...@nc.rr.com> wrote:
> >
> > > Use  #delete_if instead.
> >
> > Thanks - I tried that and it also did not work.  Sorry for not posting
> > this attempt in my original:
> >
> > irb(main):001:0> a = [1,2,3,4,5]
> > => [1, 2, 3, 4, 5]
> > irb(main):002:0> a.each {|e| a.delete_if {|e2| e2 == e}}
> > => [2, 4]
>
> Kindly suggest that you RTFM by typing "ri Array#delete_if" into your
> console. :)
>
> If that doesn't make it clear, try this:
>
> a.delete_if{ true }
This is a nice alias for a.clear ;)
Robert
>
>
>
>


-- 
You see things; and you say Why?
But I dream things that never were; and I say Why not?
-- George Bernard Shaw