The `class` keyword.

Property definitions

	# The `class` keyword.
	var n_kwclass: nullable TKwclass = null is writable

src/parser/parser_nodes.nit:1337,2--1338,52

	redef fun n_kwclass=(node)
	do
		_n_kwclass = node
		if node != null then node.parent = self
	end

src/parser/parser_prod.nit:722,2--726,4