On Apr 24, 10:04 ¨Âí¬ Æòéóãï ÄåÒïóáòé¼æòé®®®Àáððìåéóð®îåôÎÏ÷òïôåº
> 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.