summaryrefslogtreecommitdiffstats
path: root/contrib/src/boost/iterator/detail/enable_if.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/src/boost/iterator/detail/enable_if.hpp')
-rw-r--r--contrib/src/boost/iterator/detail/enable_if.hpp166
1 files changed, 83 insertions, 83 deletions
diff --git a/contrib/src/boost/iterator/detail/enable_if.hpp b/contrib/src/boost/iterator/detail/enable_if.hpp
index c0da4b4..071f5fe 100644
--- a/contrib/src/boost/iterator/detail/enable_if.hpp
+++ b/contrib/src/boost/iterator/detail/enable_if.hpp
@@ -1,83 +1,83 @@
-// (C) Copyright David Abrahams 2002.
-// (C) Copyright Jeremy Siek 2002.
-// (C) Copyright Thomas Witt 2002.
-// Distributed under the Boost Software License, Version 1.0. (See
-// accompanying file LICENSE_1_0.txt or copy at
-// http://www.boost.org/LICENSE_1_0.txt)
-#ifndef BOOST_ENABLE_IF_23022003THW_HPP
-#define BOOST_ENABLE_IF_23022003THW_HPP
-
-#include <boost/detail/workaround.hpp>
-#include <boost/mpl/identity.hpp>
-
-#include <boost/iterator/detail/config_def.hpp>
-
-//
-// Boost iterators uses its own enable_if cause we need
-// special semantics for deficient compilers.
-// 23/02/03 thw
-//
-
-namespace boost
-{
-
- namespace iterators
- {
- //
- // Base machinery for all kinds of enable if
- //
- template<bool>
- struct enabled
- {
- template<typename T>
- struct base
- {
- typedef T type;
- };
- };
-
- //
- // For compilers that don't support "Substitution Failure Is Not An Error"
- // enable_if falls back to always enabled. See comments
- // on operator implementation for consequences.
- //
- template<>
- struct enabled<false>
- {
- template<typename T>
- struct base
- {
-#ifdef BOOST_NO_SFINAE
-
- typedef T type;
-
- // This way to do it would give a nice error message containing
- // invalid overload, but has the big disadvantage that
- // there is no reference to user code in the error message.
- //
- // struct invalid_overload;
- // typedef invalid_overload type;
- //
-#endif
- };
- };
-
-
- template <class Cond,
- class Return>
- struct enable_if
-# if !defined(BOOST_NO_SFINAE) && !defined(BOOST_NO_IS_CONVERTIBLE)
- : enabled<(Cond::value)>::template base<Return>
-# else
- : mpl::identity<Return>
-# endif
- {
- };
-
- } // namespace iterators
-
-} // namespace boost
-
-#include <boost/iterator/detail/config_undef.hpp>
-
-#endif // BOOST_ENABLE_IF_23022003THW_HPP
+// (C) Copyright David Abrahams 2002.
+// (C) Copyright Jeremy Siek 2002.
+// (C) Copyright Thomas Witt 2002.
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+#ifndef BOOST_ENABLE_IF_23022003THW_HPP
+#define BOOST_ENABLE_IF_23022003THW_HPP
+
+#include <boost/detail/workaround.hpp>
+#include <boost/mpl/identity.hpp>
+
+#include <boost/iterator/detail/config_def.hpp>
+
+//
+// Boost iterators uses its own enable_if cause we need
+// special semantics for deficient compilers.
+// 23/02/03 thw
+//
+
+namespace boost
+{
+
+ namespace iterators
+ {
+ //
+ // Base machinery for all kinds of enable if
+ //
+ template<bool>
+ struct enabled
+ {
+ template<typename T>
+ struct base
+ {
+ typedef T type;
+ };
+ };
+
+ //
+ // For compilers that don't support "Substitution Failure Is Not An Error"
+ // enable_if falls back to always enabled. See comments
+ // on operator implementation for consequences.
+ //
+ template<>
+ struct enabled<false>
+ {
+ template<typename T>
+ struct base
+ {
+#ifdef BOOST_NO_SFINAE
+
+ typedef T type;
+
+ // This way to do it would give a nice error message containing
+ // invalid overload, but has the big disadvantage that
+ // there is no reference to user code in the error message.
+ //
+ // struct invalid_overload;
+ // typedef invalid_overload type;
+ //
+#endif
+ };
+ };
+
+
+ template <class Cond,
+ class Return>
+ struct enable_if
+# if !defined(BOOST_NO_SFINAE) && !defined(BOOST_NO_IS_CONVERTIBLE)
+ : enabled<(Cond::value)>::template base<Return>
+# else
+ : mpl::identity<Return>
+# endif
+ {
+ };
+
+ } // namespace iterators
+
+} // namespace boost
+
+#include <boost/iterator/detail/config_undef.hpp>
+
+#endif // BOOST_ENABLE_IF_23022003THW_HPP