Название: Elements of Clojure Автор: Zachary Tellman Издательство: Leanpub Год: 2019 Страниц: 121 Язык: английский Формат: pdf (true), djvu Размер: 11.1 MB
This book tries to put words to what most experienced programmers already know. It provides a framework for making better design choices, and a vocabulary for teams to discuss the software they collaborate on.
To write software, we must learn where to draw boundaries. Good software is built through effective indirection. We seem to have decided that this skill can only be learned through practice; it cannot be taught, except by example. Our decisions may improve with time, but not our ability to explain them.
It's true that the study of these questions cannot yield a closed-form solution for judging software design. We can make our software simple, but we cannot do the same to its problem domain, its users, or the physical world. Our tacit knowledge of this environment will always inform our designs.
This doesn't mean that we can simply ignore our design process. Polanyi tells us that tacit knowledge only suffices until we fail, and the software industry is awash with failure. Our designs may never be provably correct, but we can give voice to the intuition that shaped them. Our process may always be visceral, but it doesn't have to be inarticulate.
And so this book does not offer knowledge, it offers clarity. It is aimed at readers who know Clojure, but struggle to articulate the rationale of their designs to themselves and others. Readers who use other languages, but have a passing familiarity with Clojure, may also find this book useful.
The first chapter, Names, explains why names define the structure of our software, and how to judge whether a name is any good.
The second chapter, Idioms, provides specific, syntactic advice for writing Clojure which is clean and readable.
The third chapter, Indirection, looks at how code can be made simpler and more robust through separation.
The final chapter, Composition, explores how the constituent pieces of our code can be combined into an effective whole.
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Elements of Clojure 
