Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!uwm.edu!uakari.primate.wisc.edu!aplcen!ginosko!uunet!sdrc!scjones
From: scjones@sdrc.UUCP (Larry Jones)
Newsgroups: comp.lang.c
Subject: Re: precedence of ?: (was: precedence of && (was: precedence of ?:))
Message-ID: <803@sdrc.UUCP>
Date: 16 Sep 89 20:17:20 GMT
References: <1265@gmdzi.UUCP> <11030@smoke.BRL.MIL> <11039@smoke.BRL.MIL> <11069@smoke.BRL.MIL>
Organization: Structural Dynamics Research Corp., Cincinnati
Lines: 18

In article <11069@smoke.BRL.MIL>, gwyn@smoke.BRL.MIL (Doug Gwyn) writes:
> So the interesting question becomes, why is that "expression" for the
> second operand of ?: and not "logical-OR-expression".  (I think that
> "conditional-expression" might result in ambiguity.)  The Rationale
> says merely that "several extant implementations have adopted this
> practice".  That must be the answer..

The answer is that the "?" and ":" are paired delimiters, just
like parentheses.  That means that you can put any arbitrary
expression between them without creating any ambiguity just like
you can put any arbitrary expression between "(" and ")".
----
Larry Jones                         UUCP: uunet!sdrc!scjones
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