From: Ralph Shnelvar <ralphs@...32.com>
Date: 2012-02-21T05:27:47+09:00
Subject: Accessing a local variable through a symbol

Let's say I have

   def y
     a=42
     x = some_kernel_function(:a)  # I'd like x to be 42
   end

Is there a way to get x to be 42?