diff options
Diffstat (limited to 'contrib/src/boost/range/has_range_iterator.hpp')
-rw-r--r-- | contrib/src/boost/range/has_range_iterator.hpp | 166 |
1 files changed, 83 insertions, 83 deletions
diff --git a/contrib/src/boost/range/has_range_iterator.hpp b/contrib/src/boost/range/has_range_iterator.hpp index 9eb58b3..7e1976f 100644 --- a/contrib/src/boost/range/has_range_iterator.hpp +++ b/contrib/src/boost/range/has_range_iterator.hpp @@ -1,83 +1,83 @@ -// Boost.Range library -// -// Copyright Neil Groves 2010. Use, modification and -// distribution is subject to the Boost Software License, Version -// 1.0. (See accompanying file LICENSE_1_0.txt or copy at -// http://www.boost.org/LICENSE_1_0.txt) -// -// For more information, see http://www.boost.org/libs/range/ -// -// Acknowledgments: -// Ticket #8341: Arno Schoedl - improved handling of has_range_iterator upon -// use-cases where T was const. -#ifndef BOOST_RANGE_HAS_ITERATOR_HPP_INCLUDED -#define BOOST_RANGE_HAS_ITERATOR_HPP_INCLUDED - -#include <boost/mpl/bool.hpp> -#include <boost/mpl/eval_if.hpp> -#include <boost/mpl/has_xxx.hpp> -#include <boost/range/iterator.hpp> -#include <boost/type_traits/remove_reference.hpp> -#include <boost/utility/enable_if.hpp> - -namespace boost -{ - namespace range_detail - { - BOOST_MPL_HAS_XXX_TRAIT_DEF(type) - - template<class T, class Enabler = void> - struct has_range_iterator_impl - : boost::mpl::false_ - { - }; - - template<class T> - struct has_range_iterator_impl< - T, - BOOST_DEDUCED_TYPENAME ::boost::enable_if< - BOOST_DEDUCED_TYPENAME mpl::eval_if<is_const<T>, - has_type<range_const_iterator< - BOOST_DEDUCED_TYPENAME remove_const<T>::type> >, - has_type<range_mutable_iterator<T> > - >::type - >::type - > - : boost::mpl::true_ - { - }; - - template<class T, class Enabler = void> - struct has_range_const_iterator_impl - : boost::mpl::false_ - { - }; - - template<class T> - struct has_range_const_iterator_impl< - T, - BOOST_DEDUCED_TYPENAME ::boost::enable_if< - has_type<range_const_iterator<T> > - >::type - > - : boost::mpl::true_ - { - }; - - } // namespace range_detail - - template<class T> - struct has_range_iterator - : range_detail::has_range_iterator_impl< - BOOST_DEDUCED_TYPENAME remove_reference<T>::type> - {}; - - template<class T> - struct has_range_const_iterator - : range_detail::has_range_const_iterator_impl< - BOOST_DEDUCED_TYPENAME remove_reference<T>::type> - {}; -} // namespace boost - -#endif // include guard - +// Boost.Range library
+//
+// Copyright Neil Groves 2010. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+//
+// For more information, see http://www.boost.org/libs/range/
+//
+// Acknowledgments:
+// Ticket #8341: Arno Schoedl - improved handling of has_range_iterator upon
+// use-cases where T was const.
+#ifndef BOOST_RANGE_HAS_ITERATOR_HPP_INCLUDED
+#define BOOST_RANGE_HAS_ITERATOR_HPP_INCLUDED
+
+#include <boost/mpl/bool.hpp>
+#include <boost/mpl/eval_if.hpp>
+#include <boost/mpl/has_xxx.hpp>
+#include <boost/range/iterator.hpp>
+#include <boost/type_traits/remove_reference.hpp>
+#include <boost/utility/enable_if.hpp>
+
+namespace boost
+{
+ namespace range_detail
+ {
+ BOOST_MPL_HAS_XXX_TRAIT_DEF(type)
+
+ template<class T, class Enabler = void>
+ struct has_range_iterator_impl
+ : boost::mpl::false_
+ {
+ };
+
+ template<class T>
+ struct has_range_iterator_impl<
+ T,
+ BOOST_DEDUCED_TYPENAME ::boost::enable_if<
+ BOOST_DEDUCED_TYPENAME mpl::eval_if<is_const<T>,
+ has_type<range_const_iterator<
+ BOOST_DEDUCED_TYPENAME remove_const<T>::type> >,
+ has_type<range_mutable_iterator<T> >
+ >::type
+ >::type
+ >
+ : boost::mpl::true_
+ {
+ };
+
+ template<class T, class Enabler = void>
+ struct has_range_const_iterator_impl
+ : boost::mpl::false_
+ {
+ };
+
+ template<class T>
+ struct has_range_const_iterator_impl<
+ T,
+ BOOST_DEDUCED_TYPENAME ::boost::enable_if<
+ has_type<range_const_iterator<T> >
+ >::type
+ >
+ : boost::mpl::true_
+ {
+ };
+
+ } // namespace range_detail
+
+ template<class T>
+ struct has_range_iterator
+ : range_detail::has_range_iterator_impl<
+ BOOST_DEDUCED_TYPENAME remove_reference<T>::type>
+ {};
+
+ template<class T>
+ struct has_range_const_iterator
+ : range_detail::has_range_const_iterator_impl<
+ BOOST_DEDUCED_TYPENAME remove_reference<T>::type>
+ {};
+} // namespace boost
+
+#endif // include guard
+
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