Path: utzoo!attcan!utgpu!watmath!att!dptg!rutgers!cs.utexas.edu!uunet!yale!mfci!karzes
From: karzes@mfci.UUCP (Tom Karzes)
Newsgroups: comp.lang.c
Subject: Re: precedence of && (was: precedence of ?:)
Message-ID: <1038@m3.mfci.UUCP>
Date: 21 Sep 89 18:05:05 GMT
References: <3263@solo5.cs.vu.nl> <688@lakart.UUCP>
Sender: karzes@mfci.UUCP
Reply-To: karzes@mfci.UUCP (Tom Karzes)
Organization: Multiflow Computer Inc., Branford Ct. 06405
Lines: 27

Neither of the following are legal because conditional expressions (?:) are
not regarded as lvalues:

    (a ? b : c) = d
    (a ? *b : *c) = d

However, the following is legal since indirection expressions (*) are legal
lvalues:

    *(a ? b : c) = d

I personally don't see why ?: expressions can't be lvalues, provided the
second and third operands have the same type.  For example, the following
would be legal, with result type int:

    int a, b, c[10], d, i;
    ...
    (a ? b : c[i]) = d;

But the following would be illegal:

    int a, b, d;
    double c;
    ...
    (a ? b : c) = d;

Oh well...