\begin{sql}
CREATE OR REPLACE TYPE GeoCoord AS OBJECT \\
\>(\>{\blue Longitude} NUMBER, \\
\>\> {\blue Latitude} NUMBER, \\
\>\> \red MEMBER FUNCTION Distance (other IN GeoCoord) \\
\>\>\> \red RETURN NUMBER, \\
\>\> \red MAP MEMBER FUNCTION Distance\_Greenwich\\
\>\>\> \red RETURN NUMBER \\
\>); \\
\red /
\end{sql}