2007-01-30 Benjamin Kosnik <bkoz@redhat.com>

[pf3gnuchains/gcc-fork.git] / libstdc++-v3 / include / ext / pb_ds / detail / type_utils.hpp

diff --git a/libstdc++-v3/include/ext/pb_ds/detail/type_utils.hpp b/libstdc++-v3/include/ext/pb_ds/detail/type_utils.hpp
index d66f01c..7a7e425 100644 (file)
--- a/libstdc++-v3/include/ext/pb_ds/detail/type_utils.hpp
+++ b/libstdc++-v3/include/ext/pb_ds/detail/type_utils.hpp
@@ -1,6 +1,6 @@
 // -*- C++ -*-
 
-// Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+// Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the terms
@@ -136,16 +136,19 @@ namespace pb_ds
        };
     };
 
-
+    // Use C++0x's static_assert if possible.
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+#define PB_DS_STATIC_ASSERT(UNIQUE, E)  static_assert(E, #UNIQUE)
+#else
     template<bool>
-    struct static_assert;
+    struct __static_assert;
 
     template<>
-    struct static_assert<true>
+    struct __static_assert<true>
     { };
 
     template<int>
-    struct static_assert_dumclass
+    struct __static_assert_dumclass
     {
       enum
        {
@@ -153,6 +156,11 @@ namespace pb_ds
        };
     };
 
+#define PB_DS_STATIC_ASSERT(UNIQUE, E)  \
+    typedef pb_ds::detail::__static_assert_dumclass<sizeof(pb_ds::detail::__static_assert<bool(E)>)> UNIQUE##__static_assert_type
+
+#endif
+
     template<typename Type>
     struct type_to_type
     {