Ah, got it. Your last sentence is very well-put!
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Hi everyone,
I'm working my way through Practical Clojure's macro chapter, and I'd like
to check my understanding about one of the examples.
The book discusses writing a macro to randomly evaluate a form out of a list
of forms--essentially a cond that randomly selects which branch to evaluate.
Armando, I get the same behavior as you with Clojure 1.2.1. But if I lein
dep Clojure 1.3.0, I'm back to NullPointerExceptions.
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Hi everyone,
I've encountered an unexpected NullPointerException while translating
some early SICP code into Clojure 1.3.0. In particular, I'm
implementing the iterative sqrt procedure from section 1.1.7.
Here's my code:
(defn square [x] (* x x))
(defn abs [x]
(cond
(< x 0) (- x)
:els
