📝Open-Closed Principle

The code should be open for extension and closed for modification.

The benefit is that tried and tested code is not modified, so there is less chance that it breaks.

See also

• Ideal extensible system requires adding new code only

Backlinks

• 📖 Software design for flexibility: how to avoid programming yourself into a corner
• 📝 Ideal extensible system requires adding new code only
• 📝 § Extensible system