Ticket #2056: array_support_for_sandbox_swap.patch

swap.hpp

@@ -1 @@
-// Copyright (C) 2007 Steven Watanabe, Joseph Gauterin
+// Copyright (C) 2007, 2008 Steven Watanabe, Joseph Gauterin
 //
 // Distributed under 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
+//
+// Update:
+// 29 June 2008 (Added support for built-in arrays.) Niels Dekker  
 
 
 #ifndef BOOST_UTILITY_SWAP_HPP
 #define BOOST_UTILITY_SWAP_HPP
 
 #include <algorithm> //for std::swap
+#include <cstddef> //for std::size_t
 
 namespace boost_swap_impl
 {
@@ -19 +23 @@
     using std::swap;//use std::swap if argument dependent lookup fails
     swap(left,right);
   }
+
+  template<class T, std::size_t N>
+  void swap_impl(T (& left)[N], T (& right)[N])
+  {
+    for (std::size_t i = 0; i < N; ++i)
+    {
+      ::boost_swap_impl::swap_impl(left[i], right[i]);
+    }
+  }
 }
 
 namespace boost