Moved enable_if to boost::iterators from boost::detail to avoid

conflicting with the definition in the function library.


[SVN r19092]

include/boost/iterator/detail/enable_if.hpp

@@ -23,7 +23,7 @@
 namespace boost
 {
 
-  namespace detail
+  namespace iterators
   {
     //
     // Base machinery for all kinds of enable if
@@ -79,7 +79,7 @@ namespace boost
 # endif 
     };
 
-  } // namespace detail
+  } // namespace iterators
 
 } // namespace boost
 

include/boost/iterator/filter_iterator.hpp

@@ -59,7 +59,7 @@ namespace boost
       // don't provide this constructor if UnaryFunction is a
       // function pointer type.  Too dangerous.
       filter_iterator(
-          typename detail::enable_if<
+          typename iterators::enable_if<
               is_class<Predicate>
             , Iterator
           >::type x
@@ -114,7 +114,7 @@ namespace boost
   template <class Predicate, class Iterator>
   filter_iterator<Predicate,Iterator>
   make_filter_iterator(
-      typename detail::enable_if<
+      typename iterators::enable_if<
           is_class<Predicate>
         , Iterator
       >::type x

include/boost/iterator/iterator_adaptor.hpp

@@ -98,7 +98,7 @@ namespace boost
   // of is_convertible in a few cases.
   template<typename From, typename To>
   struct enable_if_convertible
-    : detail::enable_if<
+    : iterators::enable_if<
         mpl::or_<
             is_same<From,To>
           , is_convertible<From, To>
@@ -111,7 +111,7 @@ namespace boost
   
   template<typename From, typename To>
   struct enable_if_convertible
-    : detail::enable_if<
+    : iterators::enable_if<
           is_convertible<From, To>
         , detail::enable_type
       >

include/boost/iterator/transform_iterator.hpp

@@ -124,7 +124,7 @@ namespace boost
      && BOOST_WORKAROUND(__GNUC_MINOR__, BOOST_TESTED_AT(2))
         Iterator const& x
 #else 
-      typename detail::enable_if<
+      typename iterators::enable_if<
           is_class<UnaryFunction>
         , Iterator const&
       >::type x
@@ -163,7 +163,7 @@ namespace boost
   // don't provide this generator if UnaryFunction is a
   // function pointer type.  Too dangerous.  We should probably
   // find a cheaper test than is_class<>
-  typename detail::enable_if<
+  typename iterators::enable_if<
       is_class<UnaryFunction>
     , transform_iterator<UnaryFunction, Iterator>
   >::type