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7.2 操作符语法</div>
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<div class="Element13"><div class="Element12" id="code00209"><pre class="Element12">assignment_operator ::=         <span style="color: #008000">// 引用自附录A.6.2</span>
    <strong><span style="color: #FF0000">=</span></strong> | <strong><span style="color: #FF0000">+=</span></strong> | <strong><span style="color: #FF0000">-=</span></strong> | <strong><span style="color: #FF0000">*=</span></strong> | <strong><span style="color: #FF0000">/=</span></strong> | <strong><span style="color: #FF0000">%=</span></strong> | <strong><span style="color: #FF0000">&amp;=</span></strong> | <strong><span style="color: #FF0000">|=</span></strong> | <strong><span style="color: #FF0000">^=</span></strong> | <strong><span style="color: #FF0000">&lt;&lt;=</span></strong> | <strong><span style="color: #FF0000">&gt;&gt;=</span></strong> | <strong><span style="color: #FF0000">&lt;&lt;&lt;=</span></strong> | <span style="color: #FF0000">&gt;&gt;&gt;=</span>

conditional_expression ::=      <span style="color: #008000">// 引用自附录A.8.3</span>
    cond_predicate <strong><span style="color: #FF0000">?</span></strong> {attribute_instance} expression <strong><span style="color: #FF0000">:</span></strong> expression

unary_operator ::=              <span style="color: #008000">// 引用自附录A.8.6</span>
    <strong><span style="color: #FF0000">+</span></strong> | <strong><span style="color: #FF0000">-</span></strong> | <strong><span style="color: #FF0000">!</span></strong> | <strong><span style="color: #FF0000">~</span></strong> | <strong><span style="color: #FF0000">&amp;</span></strong> | <strong><span style="color: #FF0000">~&amp;</span></strong> | <strong><span style="color: #FF0000">|</span></strong> | <strong><span style="color: #FF0000">~|</span></strong> | <strong><span style="color: #FF0000">^</span></strong> | <strong><span style="color: #FF0000">~^</span></strong> | <strong><span style="color: #FF0000">^~</span></strong>

binary_operator ::=
    <strong><span style="color: #FF0000">+</span></strong> | <strong><span style="color: #FF0000">-</span></strong> | <strong><span style="color: #FF0000">*</span></strong> | <strong><span style="color: #FF0000">/</span></strong> | <strong><span style="color: #FF0000">%</span></strong> | <strong><span style="color: #FF0000">==</span></strong> | <strong><span style="color: #FF0000">!=</span></strong> | <strong><span style="color: #FF0000">===</span></strong> | <strong><span style="color: #FF0000">!==</span></strong> | <strong><span style="color: #FF0000">=?=</span></strong> | <strong><span style="color: #FF0000">!?=</span></strong> | <strong><span style="color: #FF0000">&amp;&amp;</span></strong> | <strong><span style="color: #FF0000">||</span></strong> | <strong><span style="color: #FF0000">**</span></strong>
    | <strong><span style="color: #FF0000">&lt;</span></strong> | <strong><span style="color: #FF0000">&lt;=</span></strong> | <strong><span style="color: #FF0000">&gt;</span></strong> | <strong><span style="color: #FF0000">&gt;=</span></strong> | <strong><span style="color: #FF0000">&amp;</span></strong> | <strong><span style="color: #FF0000">|</span></strong> | <strong><span style="color: #FF0000">^</span></strong> | <strong><span style="color: #FF0000">^~</span></strong> | <strong><span style="color: #FF0000">~^</span></strong> | <strong><span style="color: #FF0000">&gt;&gt;</span></strong> | <strong><span style="color: #FF0000">&lt;&lt;</span></strong> | <strong><span style="color: #FF0000">&gt;&gt;&gt;</span></strong> | <strong><span style="color: #FF0000">&lt;&lt;&lt;</span></strong>

inc_or_dec_operator ::= <strong><span style="color: #FF0000">++</span></strong> | <strong><span style="color: #FF0000">--</span></strong>

unary_module_path_operator ::=
    <strong><span style="color: #FF0000">!</span></strong> | <strong><span style="color: #FF0000">~</span></strong> | <strong><span style="color: #FF0000">&amp;</span></strong> | <strong><span style="color: #FF0000">~&amp;</span></strong> | <strong><span style="color: #FF0000">|</span></strong> | <strong><span style="color: #FF0000">~|</span></strong> | <strong><span style="color: #FF0000">^</span></strong> | <strong><span style="color: #FF0000">~^</span></strong> | <strong><span style="color: #FF0000">^~</span></strong>

binary_module_path_operator ::=
    <strong><span style="color: #FF0000">==</span></strong> | <strong><span style="color: #FF0000">!=</span></strong> | <strong><span style="color: #FF0000">&amp;&amp;</span></strong> | <strong><span style="color: #FF0000">||</span></strong> | <strong><span style="color: #FF0000">&amp;</span></strong> | <strong><span style="color: #FF0000">|</span></strong> | <strong><span style="color: #FF0000">^</span></strong> | <strong><span style="color: #FF0000">^~</span></strong> | <strong><span style="color: #FF0000">~^</span></strong></pre></div></div>
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<strong>语法7-1 — 操作符语法(摘录自附录A)</strong></p></div>
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