olemus
programmi lähtekoodi lõik, mis jõuab täitmiseni, kuid täitmise tulemust enam millekski ei kasutata
= segment of code unnecessary for the successful operation of a particular software program

ülevaateid
https://en.wikipedia.org/wiki/Dead_code
https://en.wikipedia.org/wiki/Unreachable_code
https://medium.com/beyond-the-code-by-typo/how-to-identify-and-remove-dead-code-8283b0bf05a3
https://engineering.fb.com/2023/10/24/data-infrastructure/automating-dead-code-cleanup/