: public boost::remove_cv< typename boost::remove_reference<T>::type >
{};
+ /** \brief Get arity of function T
+
+ \a T may be any function like type: function, pointer to function or (pointer to)
+ member-function.
+
+ \code
+ BOOST_STATIC_ASSERT(( senf::function_arity<void (Class::*)(int)>::value == 1 ));
+ \endcode
+ */
+ template < class T >
+ struct function_arity
+ : public boost::integral_constant<
+ unsigned,
+ boost::function_traits<
+ typename senf::remove_any_pointer<T>::type>::arity>
+ {};
+
+ /** Test object if it is any \c std::pair type
+
+ if \a Pair is any \c std::pair type, this trait will inherit from \c boost::true_type,
+ otherwise it will inherit from \c boost::false_type.
+
+ \code
+ BOOST_STATIC_ASSERT(( senf::is_pair< std::pair<int,void*> >::value ));
+ BOOST_STATIC_ASSERT(( ! senf::is_pair< void () >::value ));
+ \endcode
+ */
+ template <class Pair>
+ struct is_pair
+ : public boost::false_type
+ {};
+
+#ifndef DOXYGEN
+ template <class First, class Second>
+ struct is_pair< std::pair<First,Second> >
+ : public boost::true_type
+ {};
+#endif
+
///}
#ifndef DOXYGEN
//#include "type_traits.ct"
//#include "type_traits.cti"
#endif
-\f
+\f
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