boost/type_traits/has_nothrow_assign.hpp

   1
   2 //  (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
   3 //  Use, modification and distribution are subject to the Boost Software License,
   4 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 //  http://www.boost.org/LICENSE_1_0.txt).
   6 //
   7 //  See http://www.boost.org/libs/type_traits for most recent version including documentation.
   8
   9 #ifndef BOOST_TT_HAS_NOTHROW_ASSIGN_HPP_INCLUDED
  10 #define BOOST_TT_HAS_NOTHROW_ASSIGN_HPP_INCLUDED
  11
  12 #include <boost/type_traits/has_trivial_assign.hpp>
  13
  14 // should be the last #include
  15 #include <boost/type_traits/detail/bool_trait_def.hpp>
  16
  17 namespace boost {
  18
  19 namespace detail{
  20
  21 template <class T>
  22 struct has_nothrow_assign_imp{
  23    BOOST_STATIC_CONSTANT(bool, value =
  24       (::boost::type_traits::ice_or<
  25          ::boost::has_trivial_assign<T>::value,
  26          BOOST_HAS_NOTHROW_ASSIGN(T)
  27       >::value));
  28 };
  29
  30 }
  31
  32 BOOST_TT_AUX_BOOL_TRAIT_DEF1(has_nothrow_assign,T,::boost::detail::has_nothrow_assign_imp<T>::value)
  33
  34 } // namespace boost
  35
  36 #include <boost/type_traits/detail/bool_trait_undef.hpp>
  37
  38 #endif // BOOST_TT_HAS_NOTHROW_ASSIGN_HPP_INCLUDED