The destination type on a cast to not nullable

Property definitions

	# The destination type on a cast to not nullable
	var n_type: AType is writable, noinit

src/parser/parser_nodes.nit:1576,2--1577,38

	redef fun n_type=(node)
	do
		_n_type = node
		node.parent = self
	end

src/parser/parser_prod.nit:8446,2--8450,4