Getting Clojure

Chapter 21Conclusion

It’s been a long journey from that original hello-world function through sequences and syntax, maps, atoms, and agents, to finally arrive at eval and macros. Together we’ve def’ed and defn’ed, recurred, reduced, and assoc’ed. We’ve defined protocols and record types. We’ve laughed and cried and written macros. And cried a little more.

Every step of the way we’ve seen how Clojure combines simplicity with ferocious power. We’ve seen how Clojure’s immutable data structures keep your code—and especially your multithreaded code—from undermining its own foundation. We’ve explored how the functional nature of the language means that you can build programs that can attack real-world problems while remaining concise and flexible. ...