From: Simon Strandgaard <neoneye@...>
Date: 2006-01-03T07:06:49+09:00
Subject: Re: Implicit block parameter?

On 1/2/06, Simon Strandgaard <neoneye@gmail.com> wrote:
> 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 }
>
or how about?

module Kernel
  def it
    $i
  end
end
class Array
  alias :each1 :each
  def each(&b)
    each1{|i| b.call($i = i) }
  end
end

[1, 2, 3].each{ puts it }           # 1 2 3



--
Simon Strandgaard