I made a neat and nifty door-system. But as usual i come across bugs that i alone cannot squish, so here you helpful people come into play. I made it so that when you click on hte doorknob it loops through all doors(turf) under it:

Click()
for(var/turf/Door/D in src.loc)

But it seems that the door can escape the loop, because nothing is returned. Please help this helpless newbie me.

NOTE: The doorknob is an object.