1 files changed, 35 insertions, 0 deletions
diff --git a/core/property_composition.hpp b/core/property_composition.hpp
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index 0000000..39b6984
--- /dev/null
+++ b/core/property_composition.hpp
@@ -0,0 +1,35 @@
+#ifndef XDTdAXIBNQWHy4pABnW9tvtXRks
+#define XDTdAXIBNQWHy4pABnW9tvtXRks
+
+#include <boost/mpl/bool.hpp>
+#include <boost/utility.hpp>
+
+#include "pla_get.hpp"
+#include "property_list.hpp"
+
+template <typename PropList>
+struct PropertyComposition : boost::noncopyable {
+  // your endless journey has come to an end. down here lies the
+  // ACTUAL INSTANCE of the entire simulation!
+  typedef PropList properties_t;
+  PL<properties_t> properties;
+
+  /// data access
+  // call: return value of action is of interest
+  template<typename Action>
+  inline typename Action::result_t call(Action &action) {
+    return properties.call(*this, action);
+  }
+
+  // cast: fire and forget
+  template<typename Action>
+  inline void cast(Action &&action) {
+    properties.call(*this, action);
+  }
+
+  void sync() {
+    properties.sync();
+  }
+};
+
+#endif // XDTdAXIBNQWHy4pABnW9tvtXRks