TreeIter.setUserData

setUserData and getUserData provide simple boxing around the userData field in the TreeIter struct.

class TreeIter

void

setUserData

(

)

(

)

Throws

TreeIterError for unsupported types or a type mismatch.

Treeiter iter = new TreeIter();

iter.setUserData(20);
int i = iter.getUserData!(int)();