Qualify call to boost::size to avoid ambiguity with std::size

Don't assume that because type `T` is a range that `const T` is also a range.

doc/Jamfile.v2

@@ -28,3 +28,8 @@ boostbook quickbook
     <format>pdf:<xsl:param>img.src.path=$(images_location)/
   ;
 
+###############################################################################
+alias boostdoc ;
+explicit boostdoc ;
+alias boostrelease : quickbook ;
+explicit boostrelease ;

include/boost/range/size_type.hpp

@@ -83,11 +83,6 @@ namespace boost
         detail::range_size<T>
     { };
 
-    template< class T >
-    struct range_size<const T > :
-        detail::range_size<T>
-    { };
-
 } // namespace boost
 
 

test/iterator_range.cpp

@@ -59,8 +59,8 @@ void check_iterator_range()
         BOOST_CHECK( false );
 //#endif
 
-    BOOST_CHECK_EQUAL( r.size(), size( r ) );
-    BOOST_CHECK_EQUAL( r2.size(), size( r2 ) );
+    BOOST_CHECK_EQUAL( r.size(), boost::size( r ) );
+    BOOST_CHECK_EQUAL( r2.size(), boost::size( r2 ) );
 
     BOOST_CHECK_EQUAL( std::distance( r.begin(), r.end() ),
                        std::distance( boost::begin( r2 ), boost::end( r2 ) ) );