adding map and multimap

binary_archive/map.hpp

@@ -0,0 +1,72 @@
+#ifndef CEREAL_BINARY_ARCHIVE_MAP_HPP_
+#define CEREAL_BINARY_ARCHIVE_MAP_HPP_
+
+#include <cereal/binary_archive/binary_archive.hpp>
+#include <map>
+
+namespace cereal
+{
+  //! Saving for std::map all other types to binary
+  template <class K, class T, class C, class A>
+  void save( BinaryOutputArchive & ar, std::map<K, T, C, A> const & map )
+  {
+    ar & map.size();
+
+    for( const auto & i : map )
+    {
+      ar & i.first;
+      ar & i.second;
+    }
+  }
+
+  //! Loading for std::map all other types to binary
+  template <class K, class T, class C, class A>
+  void load( BinaryInputArchive & ar, std::map<K, T, C, A> & map )
+  {
+    size_t size;
+    ar & size;
+
+    for( size_t i = 0; i < size; ++i )
+    {
+      K key;
+      T value;
+
+      ar & key;
+      ar & value;
+      map.insert( {key, value} );
+    }
+  }
+
+  //! Saving for std::multimap all other types to binary
+  template <class K, class T, class C, class A>
+  void save( BinaryOutputArchive & ar, std::multimap<K, T, C, A> const & multimap )
+  {
+    ar & multimap.size();
+
+    for( const auto & i : multimap )
+    {
+      ar & i.first;
+      ar & i.second;
+    }
+  }
+
+  //! Loading for std::multimap all other types to binary
+  template <class K, class T, class C, class A>
+  void load( BinaryInputArchive & ar, std::multimap<K, T, C, A> & multimap )
+  {
+    size_t size;
+    ar & size;
+
+    for( size_t i = 0; i < size; ++i )
+    {
+      K key;
+      T value;
+
+      ar & key;
+      ar & value;
+      multimap.insert( {key, value} );
+    }
+  }
+} // namespace cereal
+
+#endif // CEREAL_BINARY_ARCHIVE_MAP_HPP_