The body of the `then` part

Property definitions

	# The body of the `then` part
	var n_then: nullable AExpr = null is writable

src/parser/parser_nodes.nit:1970,2--1971,46

	redef fun n_then=(node)
	do
		_n_then = node
		if node != null then node.parent = self
	end

src/parser/parser_prod.nit:3085,2--3089,4