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Asked: 2026-06-14T10:39:04+00:00

I would to use something like a weak reference in clojure. I want to

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I would to use something like a weak reference in clojure.

I want to keep track of the return of a particular function. Currently I am doing this using a map which is on the end of a ref. This seems to work quite well. But I would like to keep only those which are not referenced from elsewhere.

In Java I would use a weak reference, or a weak hashtable. I can’t find a similar data structure in clojure. It is possible? Or should I just use a WeakHashMap from java? The values in question are clojure records. I guess I can put these into a java collection?

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  1. Editorial Team

    one of the guiding principals in Clojure is to embrace the host platform where it solves the problem. with that in mind it makes a lot of sense not to wrap the normal Java weak hash map. don’t wrap for wrapping sake

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