comparison DEPENDENCIES/generic/include/boost/icl/concept/container.hpp @ 16:2665513ce2d3

Add boost headers

+/*-----------------------------------------------------------------------------+    
+Copyright (c) 2010-2010: Joachim Faulhaber
++------------------------------------------------------------------------------+
+   Distributed under the Boost Software License, Version 1.0.
+      (See accompanying file LICENCE.txt or copy at
+           http://www.boost.org/LICENSE_1_0.txt)
++-----------------------------------------------------------------------------*/
+#ifndef BOOST_ICL_CONCEPT_CONTAINER_HPP_JOFA_100923
+#define BOOST_ICL_CONCEPT_CONTAINER_HPP_JOFA_100923
+
+#include <boost/utility/enable_if.hpp>
+#include <boost/mpl/and.hpp>
+#include <boost/mpl/not.hpp>
+#include <boost/icl/type_traits/is_container.hpp>
+#include <boost/icl/type_traits/is_icl_container.hpp>
+
+namespace boost{ namespace icl
+{
+
+//==============================================================================
+//= Emptieness
+//==============================================================================
+
+/** Tests if the container is empty. 
+    Complexity: constant. */
+template<class Type>
+typename enable_if<is_container<Type>, bool>::type
+is_empty(const Type& object)
+{
+    return object.begin()==object.end();
+}
+
+
+/** All content of the container is dropped. 
+    Complexity: linear. */
+template<class Type>
+typename enable_if<is_container<Type>, void>::type
+clear(Type& object)
+{
+    object.erase(object.begin(), object.end());
+}
+
+//==============================================================================
+//= Size
+//==============================================================================
+
+template<class Type> 
+typename enable_if<mpl::and_< is_container<Type>
+                            , mpl::not_<is_icl_container<Type> > >
+                  , std::size_t>::type
+iterative_size(const Type& object)
+{ 
+    return object.size(); 
+}
+
+//==============================================================================
+//= Swap
+//==============================================================================
+
+template<class Type>
+typename enable_if<is_container<Type>, void>::type
+swap(Type& left, Type& right)
+{
+    left.swap(right);
+}
+
+//==============================================================================
+//= Iteration
+//==============================================================================
+
+template<class Type>
+typename enable_if<is_container<Type>, typename Type::iterator>::type
+cyclic_prior(Type& object, typename Type::iterator it_)
+{ return it_ == object.begin() ? object.end() : --it_; }
+
+template<class Type>
+typename enable_if<is_container<Type>, typename Type::const_iterator>::type
+cyclic_prior(const Type& object, typename Type::const_iterator it_)
+{ return it_ == object.begin() ? object.end() : --it_; }
+
+
+
+}} // namespace boost icl
+
+#endif
+
+