[Icfp04-discuss] function clear_marker_at(p:pos, c:color, i:marker) ??

[Laurent Desnogues]

Jirka Schuppe wrote:

> to identify a marker, i need only p and c. I unserstand the function
> "clear_marker_at" to set the marker at position p and color c to zero. Why i
> need then parameter i ??

Reread beginning of section 2.3 Geography (3rd point of the
itemized list), that should answer your question.


		Laurent