That suggestion of a more humane and helpful error message (", use alength
function for array length") is Jira ticket 1448
<https://dev.clojure.org/jira/browse/CLJ-1448>.
Back in 2014, it got closed as "declined". But that was before the recent
growth of interest in usable error messages. The proposed mitigation looks
like it would hit the nail on the head. Its only apparent run-time cost
would be on the error path. One nit: this patch may be step down a
slippery slope leading to a more helpful message concerning yet another
fake field, Class.class. (Are there any more?)
Seems like a clear-cut, useful case to me. Alex, could issue 1448 be
reopened?
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