[Boost-commit] svn:boost r40375 - trunk/boost/range

From: nesotto_at_[hidden]
Date: 2007-10-23 15:34:39

Author: nesotto
Date: 2007-10-23 15:34:38 EDT (Tue, 23 Oct 2007)
New Revision: 40375
URL: http://svn.boost.org/trac/boost/changeset/40375

Log:
added operator() to allow random access index with transform iterators 
Text files modified: 
   trunk/boost/range/iterator_range.hpp |    17 ++++++++++++++---                       
   1 files changed, 14 insertions(+), 3 deletions(-)

Modified: trunk/boost/range/iterator_range.hpp
==============================================================================
--- trunk/boost/range/iterator_range.hpp	(original)
+++ trunk/boost/range/iterator_range.hpp	2007-10-23 15:34:38 EDT (Tue, 23 Oct 2007)
@@ -348,10 +348,21 @@
                return *--last;
            }
     
-           reference operator[]( size_type sz ) const
+           reference operator[]( size_type at ) const
            {
-               BOOST_ASSERT( sz < size() );
-               return m_Begin[sz];
+               BOOST_ASSERT( at < size() );
+               return m_Begin[at];
+           }
+
+           //
+           // When storing transform iterators, operator[]()
+           // fails because it returns by reference. Therefore
+           // operator()() is provided for these cases.
+           //
+           value_type operator()( size_type at ) const
+           {
+               BOOST_ASSERT( at < size() );
+               return m_Begin[at];               
            }
 
            iterator_range& advance_begin( difference_type n )