SOURCE 
"John Maddock" <john@[...].uk>  wrote

[BOOST_TRY like macros]

>  > BCB gives unreachable
>  > code warning (but I'll try to find workaround).
> 
>  I doubt you'll find a satisfactory one, there are pragmas that can disable
>  those warnings, but that introduces even more code than the traditional:
> 
For BCB this works without warning:
   if (!"") { ... }


>  I suggest we review these when the first of these lib's comes up for
review,
>  anyone else want to comment?
> 
First library to review is circular_buffer and this one uses less
generic macros:

#if !defined(BOOST_NO_EXCEPTIONS)
    #define BOOST_CB_TRY try {
    #define BOOST_CB_UNWIND(action) } catch(...) { action; throw; }
#else
    #define BOOST_CB_TRY
    #define BOOST_CB_UNWIND(action)
#endif
-------------------------------

I would suggest to add:

#if !defined(BOOST_NO_EXCEPTIONS)
#  define BOOST_TRY try
#  define BOOST_CATCH(x) catch(x)
#  define BOOST_RETHROW throw
#else
#  define BOOST_TRY#
#  define BOOST_CATCH(x) if(0)
#  define BOOST_RETHROW
#endif


/Pavel



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