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boost/boost/type_traits/is_scalar.hpp

 

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// (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.

 

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// Permission to copy, use, modify, sell and

 

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// distribute this software is granted provided this copyright notice appears

 

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// in all copies. This software is provided "as is" without express or implied

 

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// warranty, and with no claim as to its suitability for any purpose.

 

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//

 

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// See http://www.boost.org for most recent version including documentation.

 

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#ifndef BOOST_TT_IS_SCALAR_HPP_INCLUDED

 

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#define BOOST_TT_IS_SCALAR_HPP_INCLUDED

 

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#include "boost/type_traits/is_arithmetic.hpp"

 

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#include "boost/type_traits/is_enum.hpp"

 

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#include "boost/type_traits/is_pointer.hpp"

 

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#include "boost/type_traits/is_member_pointer.hpp"

 

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#include "boost/type_traits/detail/ice_or.hpp"

 

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#include "boost/config.hpp"

 

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// should be the last #include

 

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#include "boost/type_traits/detail/bool_trait_def.hpp"

 

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namespace boost {

 

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namespace detail {

 

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template <typename T>

 

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struct is_scalar_impl

 

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{ 

 

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   BOOST_STATIC_CONSTANT(bool, value =

 

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      (::boost::type_traits::ice_or<

 

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         ::boost::is_arithmetic<T>::value,

 

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         ::boost::is_enum<T>::value,

 

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         ::boost::is_pointer<T>::value,

 

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         ::boost::is_member_pointer<T>::value

 

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      >::value));

 

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};

 

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// these specializations are only really needed for compilers 

 

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// without partial specialization support:

 

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template <> struct is_scalar_impl<void>{ BOOST_STATIC_CONSTANT(bool, value = false ); };

 

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#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS

 

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template <> struct is_scalar_impl<void const>{ BOOST_STATIC_CONSTANT(bool, value = false ); };

 

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template <> struct is_scalar_impl<void volatile>{ BOOST_STATIC_CONSTANT(bool, value = false ); };

 

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template <> struct is_scalar_impl<void const volatile>{ BOOST_STATIC_CONSTANT(bool, value = false ); };

 

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#endif

 

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} // namespace detail

 

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BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_scalar,T,::boost::detail::is_scalar_impl<T>::value)

 

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} // namespace boost

 

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#include "boost/type_traits/detail/bool_trait_undef.hpp"

 

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#endif // BOOST_TT_IS_SCALAR_HPP_INCLUDED

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