source
fun sourceSemanticValue(semanticValues: List<L2SemanticValue>, extraSemanticValues: List<L2SemanticValue>): L2SemanticValue
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Extract the L2SemanticValue that is providing the value operated on by this step.
Return
The L2SemanticValue that this step examines.
Parameters
semantic
The L2SemanticValues provided as arguments to the call.
extra
Any additional L2SemanticValues available at this position in the tree.