From: Jacob Fugal <lukfugl@...>
Date: 2006-06-09T03:24:08+09:00
Subject: Re: Array#replace vs assignment

On 6/8/06, Marcel Molina Jr. <marcel@vernix.org> wrote:
> On Fri, Jun 09, 2006 at 02:54:32AM +0900, Todd Breiholz wrote:
> > Is there any difference between the following:
> >
> > a = ['a','b','c','d','e']
> > z = ['x','y','z']
> > a.replace(z)
>
> a.object_id == z.object_id
> # => false
>
> > and
> >
> > a = ['a','b','c','d','e']
> > z = ['x','y','z']
> > a = z
>
> a.object_id == z.object_id
> # => true

Also:

  a = ['a','b','c','d','e']
  b = a
  z = ['x','y','z']
  a.replace(z)
  p b # => ['x', 'y', 'z']

vs.

  a = ['a','b','c','d','e']
  b = a
  z = ['x','y','z']
  a = z
  p b # => ['a', 'b', 'c', 'd', 'e']

Jacob Fugal