has anyone seen a use of ruby's WeakRef in the wild? what was it used for? I'm having trouble imagining a use case
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I was thinking they used SoftReference in Java? or at least I'd reach for that before WeakReference
Keep in mind my Java is ancient history. They probably fumbled at 10 possible solutions and Ruby borrowed that one.
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so I found the docs on it here https://docs.oracle.com/javase/7/docs/api/java/lang/ref/WeakReference.html … and then was confused about what canonicalized mappings meant and found this http://wiki.c2.com/?CanonicalizedMapping … and now I can see why someone might use it
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