From: Simon Strandgaard <neoneye@...>
Date: 2006-01-03T07:03:48+09:00
Subject: Re: Implicit block parameter?

On 1/2/06, Ross Bamford <rosco@roscopeco.remove.co.uk> wrote:
> On Mon, 02 Jan 2006 20:20:30 -0000, I wrote:
>
> > Before I used Ruby, I used Groovy. In some ways they are (well, were
> > anyway) quite similar, and one feature that I found cool in Groovy that
> > I often miss in Ruby is the implicit (/default/whatever?) block
> > parameter, 'it':
> >
> >       [1,2,3].each { puts it }

how about?

class Array
  alias :each1 :each
  def each(&b)
    each1{|i| b.call($i = i) }
  end
end
%w(a b c).each{p $i}          #-> "a" "b" "c"


--
Simon Strandgaard