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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">&=</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> | <span style="color: #FF0000">>>>=</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">&</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>
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">&&</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">~^</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>
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">&</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>
binary_module_path_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></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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