On 7/30/2015 9:08 AM, Daniel Gutson wrote:
IOW, I think that the double parens is only for decltype.

Historical convention is to put parens around variable names
in macros. What type of impact does this have?

El 30/7/2015 11:06, escribió:

    I don't it's a language issue: https://ideone.com/k1vz5d

    El 30/7/2015 10:51, "Gedare Bloom" <ged...@gwu.edu <mailto:ged...@gwu.edu>> 
escribió:

        OK, I guess this makes the convention "minimize parentheses" mandatory
        if we want C++11. I guess the basic problem is that constructions
        where a single atom is in parens may produce different results now. At
        least an error is emitted rather than silent optimization..

        -Gedare

        On Thu, Jul 30, 2015 at 2:49 AM, Sebastian Huber
        <sebastian.hu...@embedded-brains.de 
<mailto:sebastian.hu...@embedded-brains.de>> wrote:
         > Hello,
         >
         > please have a look at the following bug:
         >
         > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67064
         >
         > This is really nice in combination with defines and macros that use 
( ) to
         > make sure the content stays together.
         >
         > --
         > Sebastian Huber, embedded brains GmbH
         >
         > Address : Dornierstr. 4, D-82178 Puchheim, Germany
         > Phone   : +49 89 189 47 41-16
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<mailto:sebastian.hu...@embedded-brains.de>
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         >
         > Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
         >
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