Choosing, Combining, and Removing Patterns
Choose GoF patterns by tracing change pressure, comparing direct code with pattern roles, and removing abstractions when maintenance costs exceed their value.
Choose GoF patterns by tracing change pressure, comparing direct code with pattern roles, and removing abstractions when maintenance costs exceed their value.
Refactor toward design patterns safely: follow evidence of change, preserve behavior with tests, and make small transformations before adding an abstraction.