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Comments (7)

ztellman avatar ztellman commented on June 25, 2024

Maps now require meta and with-meta handlers. The example should be updated.

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ztellman avatar ztellman commented on June 25, 2024

I've updated the related documentation.

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luxbock avatar luxbock commented on June 25, 2024

Is the branch for 0.3.12-SNAPSHOT private? I would like to see the updated example.

I feel like I've gone through every possible combination of with-meta, withMeta, meta on their own and with clojure.lang.IObj but I keep running into the same exception every time.

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ztellman avatar ztellman commented on June 25, 2024

Sorry, I made the change just before going to bed, and apparently neglected to actually submit it. Let me know if the example in the docs doesn't work for you.

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luxbock avatar luxbock commented on June 25, 2024

I'm trying this:

(def-map-type Foo [x]
  (get [this key default] (get x key default))
  (assoc [this key val] (assoc x key val))
  (dissoc [this key] (dissoc x key))
  (keys [this] (keys x))
  (meta [this] (meta x))
  (with-meta [this m] (Foo. (with-meta x m))))

which fails with:

CompilerException java.lang.IllegalArgumentException: No single method: with_meta_STAR_ of interface: potemkin.collections.PotemkinMap found for function: with-meta* of protocol: PotemkinMap, compiling:(/Users/Olli/Development/clojure/herm/src/herm/game/ranges.clj:76:5) 

I feel like I might be overlooking something really simple, but shouldn't this be working?

EDIT:
The README example fails with the same exception.

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ztellman avatar ztellman commented on June 25, 2024

Your code works for me on the latest code in master (and I believe should have been working for a while). Are you sure that's what you're using?

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luxbock avatar luxbock commented on June 25, 2024

You are right. There was a conflict with my profiles.clj file, with the following dependency vector: [leiningen #=(leiningen.core.main/leiningen-version)]. I had it in there because vinyasa requires it. I don't know what about it is that causes the problem, but I have got rid of it now. Thanks for your patience.

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