diff -r aeb5f203b3eb -r a5111f4e6412 src/linetypes/object.h
--- a/src/linetypes/object.h	Fri Nov 08 19:05:07 2019 +0200
+++ b/src/linetypes/object.h	Fri Dec 13 15:55:56 2019 +0200
@@ -8,6 +8,7 @@
 
 namespace linetypes
 {
+	struct Id { unsigned int value; };
 	enum class Property;
 	class Object;
 	class ColoredObject;
@@ -46,7 +47,7 @@
 	Object();
 	Object(const Object&) = delete;
 	virtual ~Object();
-	const unsigned int id;
+	const Id id;
 	//virtual void toString(QTextStream &out) = 0;
 	virtual bool hasColor() const;
 	virtual QVariant getProperty(Property id) const;
@@ -75,8 +76,3 @@
 {
 	QString textRepresentation() const override;
 };
-
-namespace linetypes
-{
-	using Id = std::decay_t<decltype(Object::id)>;
-}