From: "David A. Black" <dblack@...>
Date: 2004-07-31T10:26:23+09:00
Subject: Re: better way to do this?

Hi --

On Sat, 31 Jul 2004, Joe Laughlin wrote:

> I have an array that looks like this:
> my_array = [["Jane", "Smith"], ["Bob", "Jones", 1960]]
> 
> I want to copy each element of my_array into a another object (in this case,
> a Gtk::TreeIter).
> 
> I'm currently doing something like this:
> 
> tree_store = Gtk::TreeStore.new(String, String, Integer)
> my_array.each do |person|
>     count = 0
>     row = tree_store.append(nil)
>     person.each do |attribute|
>       row[count] = attrib

(I think you mean 'attribute' there.)

>       count = count + 1
>     end
> end
> 
> So, for each attribute that's in my_array, I want to copy it into the
> appropriate row element.
> 
> This works, but how can I do it more cleanly, or more in the ruby spirit?

You could use each_with_index:

  my_array.each do |person|
    row = tree_store.append(nil)
    person.each_with_index {|attr,i| row[i] = attr }
  end


David

-- 
David A. Black
dblack@wobblini.net