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clojure.pprint/code-dispatch breaks on certain types of anonymous functions

Description

breaks because the format string here: https://github.com/clojure/clojure/blob/master/src/clj/clojure/pprint/dispatch.clj#L378 expects a sequence. In the case of (fn* [x] x) it is passed a symbol.

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Devin Walters May 7, 2022 at 3:54 AM

Alternatively, it could print #(do x) , as that is implicit in the body.

hyPiRion March 18, 2013 at 11:40 PM

I think the main "issue" here resides within the undocumented functionality of fn*. (fn* [x] x) is a semantically working function, but (fn [x] x) expands into (fn* ([x] x)). Anonymous function literals expand into (fn* [gensyms] (...)), and as such, it also accepts expressions like (fn* [x] x). Should pprint pretty print expressions which has used fn* directly, or should it "just" ignore it?

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Created March 10, 2013 at 10:40 PM
Updated May 7, 2022 at 3:54 AM