n></span> of 10 elements.</p><p>The <span class=machine><span class=font-tt>length</span></span><span class=machine><span class=font-tt>_</span></span><span class=machine><span class=font-tt>is</span></span> and <span class=machine><span class=font-tt>size</span></span><span class=machine><span class=font-tt>_</span></span><span class=machine><span class=font-tt>is</span></span> attributes take as argument one or
several limited expressions. Each expression applies to one dimension
of the array. For instanc