Clojure sometimes inlines functions. `every?` is an example. As a result, you
can have a function that uses `every?`, call it like so:
(with-redefs [every? (fn [& args] (println "Hi mom!") false)]
(function-that-calls-every))
... and not get the results that the text of the program calls for.
This behavior with inlined functions has led to something like three
independent confused messages to the Midje mailing list. I don't relish having
to explain the issue forevermore. Is it a reasonable enhancement request to ask
that `with-redefs` blow up when given a function that will be inlined?
Alternately, could {:will-be-inlined true} be added to the metadata of such
vars so that tools like Midje can check for themselves?
(My preferred solution would be a way to turn off this and other optimizations
that change behavior in edge cases, but I believe that's already been ruled
out.)
-----
Brian Marick, Artisanal Labrador
Now working at http://path11.com
Contract programming in Ruby and Clojure
Occasional consulting on Agile
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