Nice surprise with C++11

[Joel Sherrill]

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" <gedare at gwu.edu <mailto:gedare at 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.huber at embedded-brains.de <mailto:sebastian.huber at 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
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