[Boost-commit] svn:boost r61246 - trunk/libs/spirit/example/scheme

Subject: [Boost-commit] svn:boost r61246 - trunk/libs/spirit/example/scheme
From: joel_at_[hidden]
Date: 2010-04-13 10:05:29

Author: djowel
Date: 2010-04-13 10:05:28 EDT (Tue, 13 Apr 2010)
New Revision: 61246
URL: http://svn.boost.org/trac/boost/changeset/61246

Log:
workaround for iterator_range bug
Text files modified: 
   trunk/libs/spirit/example/scheme/scheme_interpreter.hpp |     9 ++++++---                               
   1 files changed, 6 insertions(+), 3 deletions(-)

Modified: trunk/libs/spirit/example/scheme/scheme_interpreter.hpp
==============================================================================
--- trunk/libs/spirit/example/scheme/scheme_interpreter.hpp	(original)
+++ trunk/libs/spirit/example/scheme/scheme_interpreter.hpp	2010-04-13 10:05:28 EDT (Tue, 13 Apr 2010)
@@ -1,4 +1,4 @@
-/*=============================================================================
+/*=============================================================================
     Copyright (c) 2001-2010 Joel de Guzman
 
     Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -39,7 +39,10 @@
           : f() {}
 
         actor(actor_function const& f)
-          : f(f) {}
+          : f(f)
+        {
+            BOOST_ASSERT(!f.empty());
+        }
 
         bool empty() const
         {
@@ -123,7 +126,7 @@
         typedef utree result_type;
         utree operator()(args_type args) const
         {
-            return utree(boost::ref(args[n]));
+            return utree(boost::ref(*(args.begin()+n)));
         }
     };