###  | # Boost.Preprocessor ## Header <boost/preprocessor/assert_msg.hpp>

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### #define BOOST_PP_ASSERT_MSG(COND,MSG)

Expands to nothing if `COND != 0` and to `MSG` if `COND == 0`.

`COND` must expand to an integer literal in the range [0, BOOST_PP_LIMIT_MAG].

For example, `BOOST_PP_ASSERT_MSG(1,A BUG!)` expands to `A BUG!`.

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