Marco __FILE__, __FUNC__

• c++ print function name

• https://stackoverflow.com/questions/2192680/macro-keyword-which-can-be-used-to-print-out-method-name

• Predefined Macros (C/C++)" f

• https://learn.microsoft.com/zh-tw/cpp/preprocessor/predefined-macros?view=msvc-170

• func in print

• https://www.includehelp.com/c-programs/print-the-current-function-name-by-using__func__in-c.aspx

• func in class

• https://stackoverflow.com/questions/1666802/is-there-a-class-macro-in-c