Lesson 5 / 25
Refactoring safely
Apply Refactoring safely with clear evidence.
Understand Refactoring safely
For Refactoring safely, begin with the problem it solves. Identify the inputs, constraints, and observable outcome before choosing an implementation.
Practise deliberately
Create one small example for Refactoring safely and verify its result before expanding it.
A useful comparison
Refactoring safely is like a route plan: it keeps each step connected to a destination.
Check your reasoning.
Quick check: What is the best first step for Refactoring safely?
- Define the goal and constraints.
- Copy an unverified example.
- Skip measurement.
Answer
Define the goal and constraints. — A clear goal and constraints make decisions reviewable.