Squashed 'third_party/boostorg/serialization/' content from commit 738695b

Change-Id: I48528198ad1f62b90288d249eb2243d4db02fd5d
git-subtree-dir: third_party/boostorg/serialization
git-subtree-split: 738695b70733f9d592a570fb17a505d6a029b48a
diff --git a/include/boost/serialization/bitset.hpp b/include/boost/serialization/bitset.hpp
new file mode 100644
index 0000000..78f9bd7
--- /dev/null
+++ b/include/boost/serialization/bitset.hpp
@@ -0,0 +1,75 @@
+/*!
+ * \file      bitset.hpp
+ * \brief     Provides Boost.Serialization support for std::bitset
+ * \author    Brian Ravnsgaard Riis
+ * \author    Kenneth Riddile
+ * \date      16.09.2004, updated 04.03.2009
+ * \copyright 2004 Brian Ravnsgaard Riis
+ * \license   Boost Software License 1.0
+ */
+#ifndef BOOST_SERIALIZATION_BITSET_HPP
+#define BOOST_SERIALIZATION_BITSET_HPP
+
+// MS compatible compilers support #pragma once
+#if defined(_MSC_VER)
+# pragma once
+#endif
+
+#include <bitset>
+#include <cstddef> // size_t
+
+#include <boost/config.hpp>
+#include <boost/serialization/split_free.hpp>
+#include <boost/serialization/string.hpp>
+#include <boost/serialization/nvp.hpp>
+
+namespace boost{
+namespace serialization{
+
+template <class Archive, std::size_t size>
+inline void save(
+    Archive & ar,
+    std::bitset<size> const & t,
+    const unsigned int /* version */
+){
+    const std::string bits = t.template to_string<
+        std::string::value_type,
+        std::string::traits_type,
+        std::string::allocator_type
+    >();
+    ar << BOOST_SERIALIZATION_NVP( bits );
+}
+
+template <class Archive, std::size_t size>
+inline void load(
+    Archive & ar,
+    std::bitset<size> & t,
+    const unsigned int /* version */
+){
+    std::string bits;
+    ar >> BOOST_SERIALIZATION_NVP( bits );
+    t = std::bitset<size>(bits);
+}
+
+template <class Archive, std::size_t size>
+inline void serialize(
+    Archive & ar,
+    std::bitset<size> & t,
+    const unsigned int version
+){
+    boost::serialization::split_free( ar, t, version );
+}
+
+// don't track bitsets since that would trigger tracking
+// all over the program - which probably would be a surprise.
+// also, tracking would be hard to implement since, we're
+// serialization a representation of the data rather than
+// the data itself.
+template <std::size_t size>
+struct tracking_level<std::bitset<size> >
+    : mpl::int_<track_never> {} ;
+
+} //serialization
+} //boost
+
+#endif // BOOST_SERIALIZATION_BITSET_HPP