The `var` keyword

Property definitions

	# The `var` keyword
	var n_kwvar: nullable TKwvar = null is writable

src/parser/parser_nodes.nit:1863,2--1864,48

	redef fun n_kwvar=(node)
	do
		_n_kwvar = node
		if node != null then node.parent = self
	end

src/parser/parser_prod.nit:2698,2--2702,4