1 files changed, 30 insertions, 0 deletions
diff --git a/include/odhtdb/DataView.hpp b/include/odhtdb/DataView.hpp
new file mode 100644
index 0000000..0ecf9fb
--- /dev/null
+++ b/include/odhtdb/DataView.hpp
@@ -0,0 +1,30 @@
+#pragma once
+
+#include "types.hpp"
+#include "Hash.hpp"
+#include <unordered_map>
+
+namespace odhtdb
+{
+    class DataView
+    {
+    public:
+        DataView() : data(nullptr), size(0) {}
+        DataView(void *_data, usize _size) : data(_data), size(_size) {}
+        bool operator == (const DataView &other) const;
+
+        void *data;
+        usize size;
+    };
+    
+    struct DataViewHasher
+    {
+        size_t operator()(const DataView &dataView) const
+        {
+            return fnvHash((const unsigned char*)dataView.data, dataView.size);
+        }
+    };
+    
+    template <typename ValueType>
+    using DataViewMap = std::unordered_map<DataView, ValueType, DataViewHasher>;
+}