Appendix 2Web Resources
A Brief History of Scala
Martin Odersky talks about creating Scala.
Command Query Separation
In this blog, Martin Fowler discusses the term command query separation.
Discussion Forum for This Book
This is the discussion forum for this book, where readers share their opinions, ask questions, respond to questions, and interact with each other.
Essence vs. Ceremony
In this blog titled “Ending Legacy Code in Our Lifetime,” Stuart Halloway discusses essence vs. ceremony.
Loan Pattern
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