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From: c@hpdsd.UUCP (C Compiler Project(Debbie Coutant))
Newsgroups: net.lang.c
Subject: Re: Expression sequencing query (better test)
Message-ID: <1570004@hpdsd.UUCP>
Date: Mon, 20-Oct-86 19:05:20 EST
Article-I.D.: hpdsd.1570004
Posted: Mon Oct 20 19:05:20 1986
Date-Received: Tue, 4-Nov-86 01:30:55 EST
References: <1223@bunker.UUCP>
Lines: 13


      There is a new operator in the proposed ANSI C standard that forces
      expression grouping, it is the unary plus operator. The unary plus is
      only useful for expressions that involve >1 uses of the same operator,

      for example:   a+b+c
      With the unary plus operator a+b+c can be forced to be evaluated as
      (a+b)+c using the following:  +(a+b) + c
      By ANSI's definition this will force (a+b) to be evaluated first.
      Looks like somebody thought of the order-of-evaluation problem and
      attempted to 'fix' it in the ANSI proposal already.