& before a function

From: Jianli Shen (jianli_at_cc.gatech.edu)
Date: 03/30/05


Date: Tue, 29 Mar 2005 23:58:39 -0500

Bitvector& ClassName::functionName(Basicblock* bb)

what's the & means here,
is that return a pointer to a Bitvector variable for future use.

Thanks.

-- 
      Sincerely,
     Jianli Shen
===================================
Georgia Tech, College of Computing
801 Atlantic Dr, Atlanta, GA 30332
Email: jianli@cc.gatech.edu
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