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Diffstat (limited to '3rdParty/Boost/src/boost/spirit/home/support/unused.hpp')
-rw-r--r--3rdParty/Boost/src/boost/spirit/home/support/unused.hpp105
1 files changed, 105 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/support/unused.hpp b/3rdParty/Boost/src/boost/spirit/home/support/unused.hpp
new file mode 100644
index 0000000..4197d6a
--- /dev/null
+++ b/3rdParty/Boost/src/boost/spirit/home/support/unused.hpp
@@ -0,0 +1,105 @@
+/*=============================================================================
+ Copyright (c) 2001-2011 Joel de Guzman
+ Copyright (c) 2001-2011 Hartmut Kaiser
+
+ 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)
+==============================================================================*/
+#if !defined(BOOST_SPIRIT_UNUSED_APRIL_16_2006_0616PM)
+#define BOOST_SPIRIT_UNUSED_APRIL_16_2006_0616PM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/config.hpp>
+#include <boost/mpl/bool.hpp>
+
+#if defined(BOOST_MSVC)
+# pragma warning(push)
+# pragma warning(disable: 4522) // multiple assignment operators specified warning
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+namespace boost { namespace spirit
+{
+ ///////////////////////////////////////////////////////////////////////////
+ // We do not import fusion ::unused_type anymore to avoid boost::fusion
+ // being turned into an associate namespace for boost::spirit, as this
+ // interferes with ADL in unexpected ways. We rather copy the full
+ // unused_type implementation from boost::fusion.
+ ///////////////////////////////////////////////////////////////////////////
+ struct unused_type
+ {
+ unused_type()
+ {
+ }
+
+ template <typename T>
+ unused_type(T const&)
+ {
+ }
+
+ template <typename T>
+ unused_type const&
+ operator=(T const&) const
+ {
+ return *this;
+ }
+
+ template <typename T>
+ unused_type&
+ operator=(T const&)
+ {
+ return *this;
+ }
+
+ unused_type const&
+ operator=(unused_type const&) const
+ {
+ return *this;
+ }
+
+ unused_type&
+ operator=(unused_type const&)
+ {
+ return *this;
+ }
+ };
+
+ unused_type const unused = unused_type();
+
+ namespace detail
+ {
+ struct unused_only
+ {
+ unused_only(unused_type const&) {}
+ };
+ }
+
+ template <typename Out>
+ inline Out& operator<<(Out& out, detail::unused_only const&)
+ {
+ return out;
+ }
+
+ template <typename In>
+ inline In& operator>>(In& in, unused_type&)
+ {
+ return in;
+ }
+
+ ///////////////////////////////////////////////////////////////////////////
+ namespace traits
+ {
+ // We use this test to detect if the argument is not an unused_type
+ template <typename T> struct not_is_unused : mpl::true_ {};
+ template <> struct not_is_unused<unused_type> : mpl::false_ {};
+ }
+}}
+
+#if defined(BOOST_MSVC)
+# pragma warning(pop)
+#endif
+
+#endif