The name of the argument

Property definitions

	# The name of the argument
	var n_id: TId is writable, noinit

src/parser/parser_nodes.nit:2802,2--2803,34

	redef fun n_id=(node)
	do
		_n_id = node
		node.parent = self
	end

src/parser/parser_prod.nit:7386,2--7390,4