1670     friend bool     operator == ( const OUString& rStr1,    const OUString& rStr2 )  in operator ==()  argument
1671                         { return rStr1.equals(rStr2); }  in operator ==()
1673     friend bool     operator != ( const OUString& rStr1,        const OUString& rStr2 )  in operator !=()  argument
1674                         { return !(operator == ( rStr1, rStr2 )); }  in operator !=()
1676     friend bool     operator <  ( const OUString& rStr1,    const OUString& rStr2 )  in operator <()  argument
1677                         { return rStr1.compareTo( rStr2 ) < 0; }  in operator <()
1678     friend bool     operator >  ( const OUString& rStr1,    const OUString& rStr2 )  in operator >()  argument
1679                         { return rStr1.compareTo( rStr2 ) > 0; }  in operator >()
1680     friend bool     operator <= ( const OUString& rStr1,    const OUString& rStr2 )  in operator <=()  argument
1681                         { return rStr1.compareTo( rStr2 ) <= 0; }  in operator <=()
1682     friend bool     operator >= ( const OUString& rStr1,    const OUString& rStr2 )  in operator >=()  argument
1683                         { return rStr1.compareTo( rStr2 ) >= 0; }  in operator >=()
1731     friend bool     operator == ( const sal_Unicode * pStr1,    const OUString& rStr2 )  in operator ==()  argument
1732                         { return OUString( pStr1 ).compareTo( rStr2 ) == 0; }  in operator ==()
1736     friend bool     operator != ( const sal_Unicode * pStr1,    const OUString& rStr2 )  in operator !=()  argument
1737                         { return !(operator == ( pStr1, rStr2 )); }  in operator !=()
2298     friend OUString operator+( const OUString& rStr1, const OUString& rStr2  )  in operator +()  argument
2300         return rStr1.concat( rStr2 );  in operator +()