From: Jamie Hodkinson <jamiehodkinson@...>
Date: 2005-04-25T21:51:10+09:00
Subject: Re: Array::new

Brilliant, thank you.

On 4/25/05, Dave Baldwin <dave.baldwin@3dlabs.com> wrote:
> 
> On 25 Apr 2005, at 13:36, Jamie Hodkinson wrote:
> 
> > Just had something unexpected - is this the correct behaviour?
> >
> > foo = Array.new(3,Array.new)
> > foo[0] << 4
> > foo[1] << 5
> > foo[0] << 6
> > p foo
> >
> > outputs...
> >
> > [[4, 5, 6], [4, 5, 6], [4, 5, 6]]
> >
> > I realise what's happening here, and might have expected it if the
> > first line was
> > foo = Array.new(3,[])
> >
> > I'm left with doing this:
> > foo = (1..3).collect { [] }
> >
> > which doesn't exactly raise my heartbeat. Any other options?
> >
> 
> foo = Array.new(3){Array.new}
> 
> gives you what you want.
> 
> Dave.
> 
> > Cheers
> >
> > Jamie
> >
> 
>