error-checking code
nounUK /ˈerə ˈtʃekɪŋ kəʊd/
US /ˈerər ˈtʃekɪŋ koʊd/
Code that looks for mistakes and tells you when something is wrong.
The error-checking code caught a typo in my email address before I sent it.
OTHER MEANINGS
2. Instructions in a program that test whether data is correct before using it.
The form uses error-checking code to make sure you enter a real phone number.
3. Extra bits added to data so mistakes can be found when it is sent or stored.
The error-checking code in the file helped us notice the download was corrupted.
4. A routine that reports problems instead of crashing the program.
Good error-checking code shows a friendly message when the internet is down.