sort, sortOld, sort20210117, workingSort, It is great to have them all. Just in case
Problems
Readability
Maintanability
Solutions
Keep just one working version of your artifact (class, method, attribute).
Leave time control to your version control system.
Sample Code
Wrong
Right
Detection
We can add automatic rules to find versioned methods with patterns.
Like many other patters we might create an internal policy and communicate.
Tags
- Versioning
Conclusion
Time and code evolution management is always present in software development. Luckily nowadays we have mature tools to address this problem.
Relations

Code Smell 05 - Comment Abusers
Maxi Contieri ・ Oct 24 '20 ・ 1 min read
Credits
Original idea
That's why I write, because life never works except in retrospect. You can't control life, at least you can control your version.
Chuck Palahniuk
Discussion (3)
What if:
The only way is to keep both old and new functions.
Real example: pipe and pipe2 in Linux syscall
Many bad languages introduce unavoidable code smells
We should be aware of them
That doesn't change the fact that it is a code smell. Sometimes language or runtime restrictions make code smells unavoidable.