Initial commit

SourceCode/BusinessLogic/Hash/Function/One/equivalent.h

@@ -0,0 +1,35 @@
+#ifndef FUNCTION_EQUIVALENT_H
+#define FUNCTION_EQUIVALENT_H
+
+#include "one.h"
+
+BEGIN_NAMESPACE(BusinessLogic)
+BEGIN_NAMESPACE(Hash)
+BEGIN_NAMESPACE(Function)
+BEGIN_NAMESPACE(Equivalent)
+
+using Singleton = BusinessLogic::Pattern::Singleton<Product>;
+
+class Product final : public One::Product, public Singleton
+{
+private:
+    friend const Product &Singleton::getInstance();
+    Product() :
+        One::Product(
+            [](size_t value) -> size_t {
+                return value;
+            }
+        )
+    {
+    }
+
+public:
+    using Singleton::getInstance;
+};
+
+END_NAMESPACE //  Equivalent
+END_NAMESPACE //  Function
+END_NAMESPACE //  Hash
+END_NAMESPACE //  BusinessLogic
+
+#endif // !FUNCTION_EQUIVALENT_H