From: Martin DeMello <martindemello@...>
Date: 2008-02-14T03:31:21+09:00
Subject: Re: [RRR] Robert's Ruby Riddle: Local or Method

On Feb 13, 2008 9:08 PM, Robert Dober <robert.dober@gmail.com> wrote:
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> Can the following code be used to test if the argument of puts is the
> local variable "a" or the method "a"? And if so please explain how.
>
> <code>
> a = 42
> def a; 42 end
> puts a
> </code>
> I leave some blank lines here so that people can reply without
> spoiling if for other readers.

Here be spoiler:

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martin@dabba ~ $ cat puzzle.rb
a = 42
def a; 42 end
puts a

martin@dabba ~ $ ruby -r profile puzzle.rb 2>&1 | grep "Object#a"

martin@dabba ~ $ tail -2 puzzle.rb > puzzle1.rb

martin@dabba ~ $ cat puzzle1.rb
def a; 42 end
puts a

martin@dabba ~ $ ruby -r profile puzzle1.rb 2>&1 | grep "Object#a"
  0.00     0.13      0.00        1     0.00     0.00  Object#a

martin