From: Brian Candler <b.candler@...>
Date: 2008-12-29T04:06:25+09:00
Subject: Re: Syntax error I don't understand

Matt Harrison wrote:
g> Putting the parenthesis around the integer forces ruby to perform the
> "<<" on the whole function.

Or around the subexpression:

  a << (rand 3)

You could say that rand 3 is then treated as a separate phrase of 
'poetry mode'
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