> --- Ursprüngliche Nachricht ---
> Von: Ed Howland <ed.howl...@gmail.com>
> An: ruby-t...@ruby-lang.org (ruby-talk ML)
> Betreff: Nuby Array questions - each iterates nested arrays?
> Datum: Thu, 27 Oct 2005 02:16:39 +0900

> a=[[1, 2, 3], [4, 5, 6]]
> => [[1, 2, 3], [4, 5, 6]]
> a.length
> => 2
> a.each {|x| puts x}
> 1
> 2
> 3
> 4
> 5
> 6
> => [[1, 2, 3], [4, 5, 6]]
> a.each_index {|x| puts x}
> 0
> 1

> Why does each traverse into the inner arrays as well (tried it with 3
> and 4 deep?)
> Array#length seems to be correct to me and Array#each_index
> This seems to happen to collect!, and I'd gather other methods as well.

> Convenient, if you want depth first traversal on all arrays. but what
> if you just want to iterate in a shallow manner?

> Thanks
> Ed

> -----Original Message-----
> From: Ed Howland [mailto:ed.howl...@gmail.com]
> Sent: Wednesday, October 26, 2005 11:17 AM
> To: ruby-talk ML
> Subject: Nuby Array questions - each iterates nested arrays?

> a=[[1, 2, 3], [4, 5, 6]]
> => [[1, 2, 3], [4, 5, 6]]
> a.length
> => 2
> a.each {|x| puts x}
> 1
> 2
> 3
> 4
> 5
> 6
> => [[1, 2, 3], [4, 5, 6]]
> a.each_index {|x| puts x}
> 0
> 1

> Why does each traverse into the inner arrays as well (tried
> it with 3 and 4 deep?) Array#length seems to be correct to me
> and Array#each_index This seems to happen to collect!, and
> I'd gather other methods as well.

> --- Ursprüngliche Nachricht ---
> Von: "Peter Ertl" <pe...@gmx.org>
> An: ruby-t...@ruby-lang.org (ruby-talk ML)
> Betreff: Re: Nuby Array questions - each iterates nested arrays?
> Datum: Thu, 27 Oct 2005 02:22:44 +0900

> a.flatten.each { |x| p x}

> :-)

> > --- Ursprüngliche Nachricht ---
> > Von: Ed Howland <ed.howl...@gmail.com>
> > An: ruby-t...@ruby-lang.org (ruby-talk ML)
> > Betreff: Nuby Array questions - each iterates nested arrays?
> > Datum: Thu, 27 Oct 2005 02:16:39 +0900

> > a=[[1, 2, 3], [4, 5, 6]]
> > => [[1, 2, 3], [4, 5, 6]]
> > a.length
> > => 2
> > a.each {|x| puts x}
> > 1
> > 2
> > 3
> > 4
> > 5
> > 6
> > => [[1, 2, 3], [4, 5, 6]]
> > a.each_index {|x| puts x}
> > 0
> > 1

> > Why does each traverse into the inner arrays as well (tried it with 3
> > and 4 deep?)
> > Array#length seems to be correct to me and Array#each_index
> > This seems to happen to collect!, and I'd gather other methods as well.

> > Convenient, if you want depth first traversal on all arrays. but what
> > if you just want to iterate in a shallow manner?

> > Thanks
> > Ed

Ed Howland wrote:
> Why does each traverse into the inner arrays as well (tried it with 3
> and 4 deep?)