src/static_assert.hpp

   1 // Copyright Leandro Lucarella 2008 - 2010.
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // (See accompanying file COPYING or copy at
   4 // http://www.boost.org/LICENSE_1_0.txt)
   5
   6
   7 #ifndef POSIXX_STATIC_ASSERT_HPP_
   8 #define POSIXX_STATIC_ASSERT_HPP_
   9
  10 template <bool x> struct POSIXX_STATIC_ASSERTION_FAILURE;
  11 template <> struct POSIXX_STATIC_ASSERTION_FAILURE<true> { enum {value = 1}; };
  12 #define static_assert( B, M ) \
  13                 enum { static_assert_enum_ ## __LINE__ \
  14                         = sizeof(POSIXX_STATIC_ASSERTION_FAILURE< (bool)( B ) >) }
  15
  16 #endif // POSIXX_STATIC_ASSERT_HPP_