more utility classes for Audio system

1 files changed, 34 insertions, 0 deletions

diff --git a/src/crepe/util/Private.h b/src/crepe/util/Private.h
new file mode 100644
index 0000000..fc3728f
--- /dev/null
+++ b/src/crepe/util/Private.h
@@ -0,0 +1,34 @@
+#pragma once
+
+#include <typeindex>
+#include <functional>
+
+namespace crepe {
+
+class Private {
+public:
+	Private() = default;
+	~Private();
+	Private(Private &&);
+	Private & operator=(Private &&);
+	Private(const Private &) = delete;
+	Private & operator=(const Private &) = delete;
+
+	template <typename T>
+	T & get();
+
+	template <typename T, typename... Args>
+	void set(Args &&... args);
+
+	bool empty() const noexcept;
+
+private:
+	std::function<void(void *)> destructor;
+	std::type_index type = typeid(void);
+	void * instance = nullptr;
+};
+
+}
+
+#include "Private.hpp"
+