Foreach over a sequence, getting each element as T.
If T is Node, simply iterate over the nodes in the sequence. Otherwise, convert each node to T during iteration.
NodeException if the node is not a sequence or an element could not be converted to specified type.
See Implementation
Foreach over a sequence, getting each element as T.
If T is Node, simply iterate over the nodes in the sequence. Otherwise, convert each node to T during iteration.