Shulou(Shulou.com)06/01 Report--

This article is about running code before the main function in C++. Xiaobian thinks it is quite practical, so share it with everyone for reference. Let's follow Xiaobian and have a look.

Run code before main function

Global objects are constructed before the program starts, and this function returns before main() starts.

For example:

class Logger{public: Logger() { activate_log(); } void activate_log() { cout

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