Appendix A — Appendix A — Refactoring a project with immutable design

In this chapter

A.1　Choose entry points by data lifecycle
A.2　Measurements and interpretation
A.3　Lookup data: build once, query many times
A.4　Models used in editing: centralize mutation first
A.5　Builders: concentrate construction-time mutation
A.6　Explicit identity: equal content does not mean the same word
A.7　Compatibility layers are part of refactoring
A.8　Semantic improvements are not performance guarantees
A.9　Principles to take into your own project

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