Add Utility/staticpointer

Utility/Inc/utility_staticpointer.hpp

@@ -0,0 +1,57 @@
+/*
+ * utility_staticpointer.hpp
+ *
+ *  Created on: Jun 8, 2021
+ *      Author: erki
+ */
+
+#ifndef SKULLC_UTILITY_STATICPOINTER_HPP_
+#define SKULLC_UTILITY_STATICPOINTER_HPP_
+
+#include <utility>
+
+namespace Utility
+{
+
+template<typename T>
+struct StaticPointer
+{
+  using value_type = T;
+
+  alignas(value_type) unsigned char storage[sizeof(value_type)];
+
+  template<class... Args>
+  value_type& setup(Args&&... args)
+  {
+    initialized_ = true;
+    return *(new (storage) value_type(std::forward<Args>(args)...));
+  }
+
+  value_type& operator*() const
+  {
+    return reinterpret_cast<T*>(storage);
+  }
+
+  value_type* operator->() const noexcept
+  {
+    return reinterpret_cast<T*>(storage);
+  }
+
+  constexpr explicit operator bool() const
+  {
+    return isInitialized();
+  }
+
+  constexpr bool isInitialized() const
+  {
+    return initialized_;
+  }
+
+private:
+  bool initialized_ = false;
+};
+
+}// namespace Utility
+
+
+#endif /* SKULLC_UTILITY_STATICPOINTER_HPP_ */