Path: utzoo!attcan!uunet!mcsun!unido!rwthinf!cip-s02!berg
From: berg@cip-s02.informatik.rwth-aachen.de (SRB)
Newsgroups: comp.lang.c
Subject: Re: () ignored in some expressions
Message-ID: <2575@rwthinf.UUCP>
Date: 11 Apr 90 13:57:28 GMT
References: <48079@lanl.gov> <1272@sdrc.UUCP> <1458@tkou02.enet.dec.com>
Sender: news@rwthinf.UUCP
Lines: 13

In article <see References> (diamond@tkovoa) writes:
>This whole discussion concerns whether () may be ignored.  In ANSI,
>for "(a + b) + c", the () must be obeyed.  Now the compiler must
>add a and b first, then add c, or else do something that has the
>same exact behavior.

Correct me if I'm wrong, but I thought that if you write it simply as
"(a + b) + c" then the compiler may still ignore the ().
But ANSI states: if you write it as "+(a + b) + c" (note the unary plus),
then the compiler has to evaluate (a+b) first.
--
Sincerely,                         | berg@cip-s01.informatik.rwth-aachen.de
           Stephen R. van den Berg | ...!uunet!mcsun!unido!rwthinf!cip-s01!berg