This is a late reply to my own question but maybe it will be helpful to a
future searcher.
http://blog.cognitect.com/blog/2016/10/5/interactive-development-with-clojurespec
has an example that showed me more clearly how to use :fn.
Specifically here's how I rewrote the spec:
(s/fdef mapper
As a running example related to the ideas in
http://clojure.org/guides/spec#_spec_ing_functions, please consider the
following function:
(defn mapper [x y]
{:tacos (vec (range x))
:burritos (vec (range y))})
Example input and output:
(mapper 2 4) ;=> {:tacos [0 1], :burritos [0 1 2 3]}
O
On Saturday, June 20, 2015 at 4:15:30 AM UTC+1, Sean Corfield wrote:
>
> (.getTypeName (Class/forName "[Ljava.lang.String;"))
> ;;=> "java.lang.String[]" — that is more readable!
>
Thanks, that's helpful for me. By chance do you know if the class is
natively recoverable from
This is an interaction with Clojure via CIDER.
repl [1]> (type (into-array String ["Awesome"]))
[Ljava.lang.String;
repl [2]> [Ljava.lang.String;
RuntimeException EOF while reading, starting at line 1
clojure.lang.Util.runtimeException (Util.java:221)
repl [3]> (quote [Ljava.lang.String;)
CIDER
