From: Bertram Scharpf <lists@...>
Date: 2009-12-09T03:50:22+09:00
Subject: Re: Example Ruby Code

Hi,

Am Mittwoch, 09. Dez 2009, 02:30:58 +0900 schrieb Christopher Davidson:
> Can anybody explain how this code actually works in simple terms if
> possible :).
> 
> def animals
>   yield "Tiger"
>   yield "Giraffe"
> end
> 
> animals { |x| puts "Hello, #{x}" }

That's short for

  def animals &block
    block.call "Tiger"
    block.call "Giraffe"
  end

  b = proc { |x| puts "Hello, #{x}" }
  animals &b

Bertram

-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
*
Discover String#notempty? at <http://raa.ruby-lang.org/project/step>.