From: Marcelo Alvim <malvim@...>
Date: 2006-08-07T06:00:14+09:00
Subject: Re: Iterating over an array n element at a time

> Just a tiny little trap you fell into, look at this
>  [1,2,3].each_slice(2){|s| p s}
> NoMethodError: undefined method `each_slice' for [1, 2, 3]:Array
>        from (irb):1
>
> but
>
> irb(main):003:0> require 'enumerator'
> => true
> irb(main):004:0>  [1,2,3].each_slice(2){|s| p s}
> [1, 2]
> [3]
>
> I have fallen into that one more than once and I still  will, it is a little
> bit unclear why  Enumerable is not in the core while it is in the core doc.
> But well just a minor hickup.

Oh, I see! Thanks for the pointer.

I thought Array mixed that in, so it should be defined for it. But
then again, I'm still getting used to modules, mixins and such. Been
too long in a Java-only world...

Thanks again,
Marcelo Alvim.