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The Joy of Clojure, Second Edition by Michael Fogus and Chris Houser

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Chapter 3. Dipping your toes in the pool

This chapter covers

  • Truthiness
  • Nil punning
  • Destructuring
  • Using the REPL to experiment

Deeper and broader topics will be covered in later chapters, but now’s a good time to pick through an eclectic selection of smaller topics. The topics covered in this chapter stand alone but are important. Covering them now will be a fun way to start digging into practical matters of how to use Clojure.

We covered a lot of conceptual ground in the previous chapter and built your Clojure lexicon. In this chapter, we’ll take a detour into some fundamental underpinnings relevant to every Clojure project. First we’ll explore Clojure’s straightforward notions of truthiness,[1] or the distinctions between values considered ...

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