Property definitions

nitc :: parser_prod $ AStarstarMethid :: init_astarstarmethid
	init init_astarstarmethid (
		n_op: nullable TStarstar
	)
	do
		_n_op = n_op.as(not null)
		n_op.parent = self
	end
src/parser/parser_prod.nit:1673,2--1679,4