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Telegram/lib_base/base/debug_destroy_informer.h

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+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+
+#ifdef _DEBUG
+
+#pragma once
+
+#include <iostream>
+
+template <typename T>
+class PrintDead : public T {
+public:
+	template <typename... Args>
+	PrintDead(Args&&... args) : T(std::forward<Args>(args)...) {}
+
+	~PrintDead() {
+		std::cout
+			<< "\033[32m" // Green.
+			<< "Instance of class "
+			<< typeid(T).name()
+			<< " is dead!"
+			<< "\033[0m"
+			<< std::endl;
+	}
+};
+
+// #include "base/debug_destroy_informer.h"
+// Usage: std::make_shared<PrintDead<QSvgRenderer>>(...);
+// Usage: PrintDead<QSvgRenderer>(...);
+
+#endif // _DEBUG