nsString2& SetString(const nsString2& aString,PRInt32 aLength=-1) {return Assign(aString,aLength);}
nsString2& SetString(const char* aString,PRInt32 aLength=-1) {return Assign(aString,aLength);}
nsString2& SetString(const nsString2& aString,PRInt32 aLength=-1) {return Assign(aString,aLength);}