Property definitions

nitc :: parser_prod $ ASlashAssignOp :: init_aslashassignop
	init init_aslashassignop (
		n_op: nullable TSlasheq
	)
	do
		_n_op = n_op.as(not null)
		n_op.parent = self
	end
src/parser/parser_prod.nit:7772,2--7778,4