From: Florian Frank <flori@...>
Date: 2005-08-13T10:04:08+09:00
Subject: Re: anonym variable $_ and foreach similar in Ruby ?

ngoc wrote:

> print $_, "\n" foreach (@array);
> In Ruby
> array.each { |e| print e, "\n" }
> or
> array.each do |e| print e, "\n" end
>
> So |e| is similar to $_. But I can not
> say
> { |e| print e, "\n"} array.each

Actually you can do:

class Proc
  def foreach(ary)
    ary.each(&self)
  end
end

1.9:
->(x){ puts x }.foreach array

<1.9:
lambda { |x| puts x }.foreach array

But "puts array" is perhaps better.

-- 
Florian Frank