Property definitions

nitc :: parser_prod $ AManyExpr :: init_amanyexpr
	init init_amanyexpr (
		n_exprs: Collection[Object] # Should be Collection[AExpr]
	)
	do
		self.n_exprs.unsafe_add_all(n_exprs)
	end
src/parser/parser_prod.nit:7553,2--7558,4