Can BOOST_STATIC_ASSERT give a custom compilation error string?

Question

Is it possilbe to get BOOST_STATIC_ASSERT to give a custom compilation error message? I belive the following is an attempt to do that in the code base I'm working in.

BOOST_STATIC_ASSERT( (MAX_NUMBER_OF_USERS == 15) && ("MAX_NUMBER_OF_USERS is no longer set to 15") );

Personally I'm not sure the error message gives anything - I'd rather have it placed as a comment next to the assert.

Also static_assert(condition, "message") from C++0x should already be rather widely supported. — UncleBens
– UncleBens, Commented Oct 27, 2009 at 16:30

Matthieu M. · Accepted Answer · 2009-10-27 16:22:09Z

2

For static assertion, I would recommend:

BOOST_MPL_ASSERT_MSG

You pass a C++ identifier like 'message' and it will appear in the error stream.

answered Oct 27, 2009 at 16:22

Matthieu M.

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1 Comment

KitsuneYMG Over a year ago

I would add that the other BOOST_MPL_ASSERT macro is better than static assert since the error message has a lot of *'s in it.

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