heritage


properties inheritence



DEVELOPING

heritage vol

heritage vol(id)


        Returns the volume identifier id whose properties inherite.

hetitage vol(id1)=id2

        Makes volume id to heritate of volume 2 properties.

type1 obj id1=heritage type2 obj id2

Makes the property type1 n1 heiress property type2 n2 of the object id2.
Examples:
col vol(1)=heritage col vol(2);
        Makes volume 1 to heritate of the property couleur of volume 2.
illum vol(1)=heritage illum vol(2);
        Makes volume 1 to heritate of the property illum of volume 2.
col vol(1)=heritage col light(2);
        Makes volume 1 to heritate of color of light 2.