* f
* This method implements the function logic of the CAL function Cal.Utilities.DirectedGraph.mergeVerticesInternal
*/
public final RTValue f(final RTResultFunction $rootNode, final RTExecutionContext $ec) throws CALExecutorException {
// Arguments
RTValue mergedVertex = $rootNode.getArgValue();
RTValue $currentRootNode;
RTValue vertex2Num =
($currentRootNode = $rootNode.prevArg()).getArgValue();
RTValue vertex1Num =
($currentRootNode = $currentRootNode.prevArg()).getArgValue();
RTValue retainLoops =
($currentRootNode = $currentRootNode.prevArg()).getArgValue();
RTValue graph =
($currentRootNode = $currentRootNode.prevArg()).getArgValue();
RTValue $dictvarCal_Core_Prelude_Eq_3 =
$currentRootNode.prevArg().getArgValue();
// Release the fields in the root node to open them to garbage collection
$rootNode.clearMembers();
return