whenSubject
fun whenSubject(lPar: Node.Keyword.LPar = Node.Keyword.LPar(), annotationSets: List<Node.Modifier.AnnotationSet> = listOf(), variable: Node.Variable? = null, expression: Node.Expression, rPar: Node.Keyword.RPar = Node.Keyword.RPar(), supplement: NodeSupplement = NodeSupplement()): Node.Expression.WhenExpression.WhenSubject
Creates a new Node.Expression.WhenExpression.WhenSubject instance.