It's currently not possible to dynamically rebind functions:
(binding [+ -] (+ 5 3)) ==> 8 ;; not 2
Would this be supported in the future? It would make it easier, for
example, to extend the current tracing functionality, e.g.
(trace-in-expr [f1 f2] (f1 (f2 10))) ==>
(let [oldf1 f1 oldf2 f2]
(binding [f1 (fn [& args] (trace-fn-call 'f1 oldf1 args))
f2 (fn [& args] (trace-fn-call 'f2 oldf2 args))]
(f1 (f2 10))))
Thanks,
--
Michel S.
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