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4.9.1 通配符索引類型</div>
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例子： </p><div class="Element170">
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<div class="Element13"><div class="Element12" id="code00139"><pre class="Element12"><span style="color: #0000FF">int</span> array_name <span style="color: #800080">[</span><span style="color: #FF0000">*</span><span style="color: #800080">];</span></pre></div></div>
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使用通配符索引類型的聯(lián)合數(shù)組具有下列屬性：</p>
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<li class="Element600">數(shù)組可以使用任意integral數(shù)據(jù)類型進(jìn)行索引。因?yàn)樗饕梢跃哂胁煌某叽?，所以相同的?shù)值可以具有多個(gè)表示，每一個(gè)索引都具有不同的尺寸。通過檢測(cè)前導(dǎo)0的數(shù)目并為每一個(gè)值計(jì)算唯一的長(zhǎng)度和表示，SystemVerilog能夠解析這種模糊。</li>
<li class="Element600">非integral索引類型是非法的，并會(huì)導(dǎo)致一個(gè)類型檢查錯(cuò)誤。</li>
<li class="Element600">包含<span style="color: #FF0000">X</span>或<span style="color: #FF0000">Z</span>的四態(tài)索引是無(wú)效的。</li>
<li class="Element600">索引是無(wú)符號(hào)的。</li>
<li class="Element600">索引表達(dá)式是自解析的；有符號(hào)的索引不進(jìn)行符號(hào)擴(kuò)展。</li>
<li class="Element600">字符串文本索引被自動(dòng)地強(qiáng)制轉(zhuǎn)換成等價(jià)尺寸的位向量。</li>
<li class="Element600">按數(shù)值順序排序（從最小到最大）。</li>
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