From: Shannon Fang <xrfang@...>
Date: 2002-12-05T00:25:15+09:00
Subject: More funny Symbols

Hi Gavin,

Another suggestion about the Funny Symbol faq:

I just knew that *name used as parameter of a function/method means variable 
length parameters, but how about &name? What is & used for?
See the following code I copied somewhere from this list :)

def _sql(&block)
    @conn.Open if @sql_blocks_open == 0
    @sql_blocks_open += 1
    yield
  ensure
    @sql_blocks_open -= 1
    @conn.Close if @sql_blocks_open == 0
  end

Thanks!
Shannon

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