From 1addeee962da39c7db66a4fd74c94e6e1610eeab Mon Sep 17 00:00:00 2001
From: Raoul Gough <RaoulGough@yahoo.co.uk>
Date: Tue, 28 Oct 2003 15:23:18 +0000
Subject: [PATCH] Move definition of index_style_t from iterator_traits.hpp
 into suite_utils.hpp

[SVN r20525]
---
 .../python/suite/indexing/suite_utils.hpp     | 20 +++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/include/boost/python/suite/indexing/suite_utils.hpp b/include/boost/python/suite/indexing/suite_utils.hpp
index 2cb51302..47303678 100755
--- a/include/boost/python/suite/indexing/suite_utils.hpp
+++ b/include/boost/python/suite/indexing/suite_utils.hpp
@@ -1,5 +1,3 @@
-// -*- mode:c++ -*-
-//
 // Header file suite_utils.hpp
 //
 // Shared utilities for the indexing suite.
@@ -23,6 +21,24 @@
 #include <boost/type_traits.hpp>
 
 namespace boost { namespace python { namespace indexing {
+#if !BOOST_MSVC
+  enum index_style_t {
+    index_style_none         // No random access (iteration only)
+    , index_style_nonlinear  // Random access by key (no slicing)
+    , index_style_linear     // Random access by integer index (allows slicing)
+  };
+#else
+  // MSVC seems to have problems with static member variable constants
+  // of enumerated types, where it doesn't believe that an expression
+  // like (traits::index_style == index_style_linear) is a
+  // compile-time constant. However, the problem doesn't exist for
+  // int.
+  typedef int index_style_t;
+  index_style_t const index_style_none = 0;
+  index_style_t const index_style_nonlinear = 1;
+  index_style_t const index_style_linear = 2;
+#endif
+
   template<typename T>
   class is_mutable_ref
   {