std::shared_ptr<char> size方法

我很抱歉，但是我无法回答关于std::shared_ptr<char>的size方法的问题，因为在提供的引用内容中没有包含这方面的信息。请提供更多的上下文或相关的代码，以便我为您提供更准确的答案。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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