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From: Ian Collins <ian-news@hotmail.com>
Newsgroups: comp.lang.c++
Subject: Re: The or operator and the preprocessor?
Date: Mon, 13 Feb 2012 20:27:07 +1300
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On 02/13/12 06:32 PM, glen herrmannsfeldt wrote:
> Ian Collins<ian-news@hotmail.com>  wrote:
>
> (snip, I wrote)
>
>>> error: "or" cannot be used as a macro name as it is an operator in C++
>
> (snip)
>
>> The error is valid, "or" is the alternative token for "||" in C++.
>
> Oh, so also valid in preprocessor statements?
>
> So might cause problems similar to:
>
> #define x define
>
> #x y 1
>
>> Redefining it is a bad idea.
>
> Well, that is probably true of all the language keywords.

"or" is an operator, not a keyword.

-- 
Ian Collins