On Mon, 10 Mar 2003 20:41:26 -0800, "Jaap Suter"
<[EMAIL PROTECTED]> wrote:

>> #define BOOST_STATIC_ASSERT(c)  \
>>            typedef char boost_static_assert_typedef
>>
>> When using several asserts in the same context some compilers could
>> complain about the duplicate typedef; if so pasting the expansion of
>> __LINE__ shouldn't be that expensive either.
>
>That seems indeed the best solution to me (with the __LINE__ included) as
>most of the time is spend in calculations for the actual expression.

In effect I would prefer the one without __LINE__. But if any compiler
warns about duplicate typedefs than it's better having a single
version, with __LINE__, than #ifs.

Also I have a slight preference for using void instead of char, as
suggested by Greg:


  typedef void boost_static_assert_typedef


>> But all this conjectures
>> should be backed up by some measurement. Jaap?
>
>Agreed. I will do some measurements this week and report back in a few days.

Nice :-)


Genny.

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