Hello rooters! Is it possible to redefine operator[] in TObjArray so that it returns my own type? Something like class THistoricalData : public TObjArray { public: THistoricalData::THistoricalData(); virtual THistoricalData*& operator[](Int_t i); }; inline THistoricalDataObj *&THistoricalData::operator[](Int_t at) { return (THistoricalDataObj*)[at]; } Of course it gives "THistoricalData.h", line 16: Error: Virtual function THistoricalData::operator[](int) returns THistoricalData*&, while TObjArray::operator[](int) returns TObject*&. "THistoricalData.h", line 20: Error: THistoricalData::operator[](int), returning THistoricalDataObj*&, was previously declared returning THistoricalData*&. Is there any way around to solve it? Best regards, Anton
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