Imported existing code

libraries/include/boost/multi_array/collection_concept.hpp

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+// Copyright 2002 The Trustees of Indiana University.
+
+// 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)
+
+//  Boost.MultiArray Library
+//  Authors: Ronald Garcia
+//           Jeremy Siek
+//           Andrew Lumsdaine
+//  See http://www.boost.org/libs/multi_array for documentation.
+
+#ifndef COLLECTION_CONCEPT_RG103101_HPP
+#define COLLECTION_CONCEPT_RG103101_HPP
+
+#include "boost/concept_check.hpp"
+
+namespace boost {
+namespace detail {
+namespace multi_array {
+
+  //===========================================================================
+  // Collection Concept
+
+  template <class Collection>
+  struct CollectionConcept
+  {
+    typedef typename Collection::value_type value_type;
+    typedef typename Collection::iterator iterator;
+    typedef typename Collection::const_iterator const_iterator;
+    typedef typename Collection::reference reference;
+    typedef typename Collection::const_reference const_reference;
+    // typedef typename Collection::pointer pointer;
+    typedef typename Collection::difference_type difference_type;
+    typedef typename Collection::size_type size_type;
+
+    void constraints() {
+      boost::function_requires<boost::InputIteratorConcept<iterator> >();
+      boost::function_requires<boost::InputIteratorConcept<const_iterator> >();
+      boost::function_requires<boost::CopyConstructibleConcept<value_type> >();
+      const_constraints(c);
+      i = c.begin();
+      i = c.end();
+      c.swap(c);
+    }
+    void const_constraints(const Collection& c) {
+      ci = c.begin();
+      ci = c.end();
+      n = c.size();
+      b = c.empty();
+    }
+    Collection c;
+    bool b;
+    iterator i;
+    const_iterator ci;
+    size_type n;
+  };
+
+}
+}
+}
+#endif // COLLECTION_CONCEPT_RG103101_HPP