From: tragomaskhalos <dave.du.vergier@...>
Date: 2008-04-24T20:10:04+09:00
Subject: Re: Question about array.each{|x| delete x}

On Apr 24, 10:04 am, Frisco Del Rosario <fri...@appleisp.netNO> wrote:
> myArray = [1, 2, 3]
>
> puts myArray
>
> myArray.each {|x|  
> if x == 1
>   then puts "one"
>   elsif x == 2
>     then
>     myArray.delete x
>   elsif x == 3
>     then puts "three"
>   end  
>   }
>
> puts myArray
>
> The output of the above is:
> 1
> 2
> 3
> one
> 1
> 3
>
> And my question is "why isn't it 1 2 3 one three 1 3?". What if I wanted
> to make it so?

I just dup, like this:
myArray.dup.each {|x| ... delete from (original) myArray in
here .... }

I'm sure there are more elegant solutions, and it's a bit pants from a
performance perspective for large arrays, but it works for me.