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2025-10-16 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article mainly introduces the relevant knowledge of the application of C++ language, the content is detailed and easy to understand, the operation is simple and fast, and has a certain reference value. I believe you will gain something after reading this C++ language application article. Let's take a look.
Apply preprocessing C++ language to define one or more debugging tags, and manage the debugging part using # ifdef and # endif in the code. When the program is finally debugged, you only need to use the # undef tag, and the debug code will disappear. The commonly used debugging is marked as DEBUG, and the statement sequence:
# define DEBUG # ifdef DEBUG
two。 The debug token at run time turns on and off the debug token while the program is running. This can be achieved by setting a debug bool tag. This is more convenient for programs run on the command line.
For example, the following code:
# include # include using namespace std; bool debug = false; int main (int argc,char*argv []) {for (int iPrecipient I using namsapce std; int main () {int iTunes 100; assert (iTunes 100)) / / Fails} when debugging is finished, add # define NDEBUG before # include to eliminate the code generated by red} this is the end of the article on "how to use C++ language". Thank you for reading! I believe that everyone has a certain understanding of the knowledge of "how to use C++ language". If you want to learn more knowledge, you are welcome to follow the industry information channel.
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