[C++] __LINE__, __FUNCTION__, __FILE__ 用于log记录

C里就已经有这些宏,可以用于记录log,测试如下:

cout << "log in "<< __FILE__ << " : " << __FUNCTION__ <<" line: " << __LINE__ << endl;
// 输出: log in d:\tmp\test\test_sizeof.cpp : test line: 10

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转载自blog.csdn.net/ftell/article/details/79324709
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