ios - 了解 dispatch_sync 例程
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<b>这个问题在这里已经有了答案</b>:
<br><hr><h1><strong>Best Answer-推荐答案</ strong></h1><br>
<p><p>因为代码在主队列中运行,你告诉它等待 block 在主队列中执行</p></p>
<p style="font-size: 20px;">关于ios - 了解 dispatch_sync 例程,我们在Stack Overflow上找到一个类似的问题:
<a href="https://stackoverflow.com/questions/37208297/" rel="noreferrer noopener nofollow" style="color: red;">
https://stackoverflow.com/questions/37208297/
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