static enum in a class

[mickey]

Hello,
I need to write something like this below but this doens't compile:

class D {
public:
	D ( P::Type t1, P::Type t2) { }
};
 
class P {
public:	
	static const enum Type { typea, typeb, typec };
        D d1;
};

class D {
public:
	D ( P::Type t1, P::Type t2) { }
};

class P {
public:	
	static const enum Type { typea, typeb, typec };
        D d1;
};

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I think D doesn't know Type because it's declared before BUT I'd like keep Type inside some class...how change, please?