qt #define __LINE__
时间: 2023-10-24 09:07:07 浏览: 50
在Qt中,`#define __LINE__`是一个预处理器指令,用于定义一个宏,它被用来获取当前源代码所在行的行号。该宏会在编译时被预处理器替换为当前行的行号。这个宏通常用于调试目的,可以在代码中插入`__LINE__`来获取当前行号,方便定位问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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