From: Nit Khair <sentinel.2001@...>
Date: 2008-09-16T20:03:40+09:00
Subject: Getting the text (source) of a code block

I am writing a ruby DSL and generating code from it. The DSL spec
contains code blocks -- ordinarily these are getting stored as Procs.
However, since I am generating code, I would like to take the source and
print/store it.

It occurs to me that the user should probably store the block as a
heredoc or string, but that could result in code duplication later, and
not allow me to make a change later. Later, I might decide to execute
the app rather than generate code.

So can i extract the source of the block?

Currently my code looks like this:

  def method_missing(id, *args, &block)
    ...
    if block
      hashes[...]=block
    else
      hashes[...]=args
    end
  end

So the hashes object contains a Proc.
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