From: "ara.t.howard" <ara.t.howard@...>
Date: 2008-07-01T01:18:52+09:00
Subject: Re: nested methods good or bad design


On Jun 30, 2008, at 9:42 AM, John Maclean wrote:

> def method_1?
>   # here I check for some criteria
>   if %x[some_command] == "some criteria"
>     @this = true
>  end
>
>  # every other method from here on depends on @this == true. Would  
> be nice to be able to skip the remained of the code if @this != true
>
>  def method_2
>   # do all of this stuff if @this = true
>  end

this is *exactly* what closures are for

   def method_1
       method_2 = @this ? lambda{ p 'yup' } : lambda{ p 'nope' }
       method_3 = @this ? lambda{ p 'a' } : lambda{ p 'b' }

       method_2.call
       method_3.call

regards.

a @ http://codeforpeople.com/
--
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better. simply reflect on that.
h.h. the 14th dalai lama