Introduce a base class for hashes

Chaos/Hashing/Hash.hpp

@@ -0,0 +1,21 @@
+#ifndef CHAOS_HASHING_HASH_HPP
+#define CHAOS_HASHING_HASH_HPP
+
+#include <string>
+
+namespace Chaos::Hashing
+{
+
+template<typename T>
+class Hash
+{
+public:
+    std::string ToHexString() const
+    {
+        return static_cast<const T &>(*this).ToHexString();
+    }
+};
+
+} // namespace Chaos::Hashing
+
+#endif