Under direct-linking a record is a Janet tuple (its shape-rec), and core-vector?
just delegated to jvec? which is true for any tuple — so (vector? a-record) and
(sequential? a-record) returned true. That broke map-destructuring of a record:
the destructure coerce treats a sequential source as & {:keys} kwargs and does
(apply hash-map x), so destructuring a record fed its entries to make-phm as a
flat kv-list and corrupted. Surfaced as reitit's router crashing on a wildcard
route ('expected integer key for tuple in range [0,5), got 5') whenever the new
direct-link default was on; minimal repro is (let [{:keys [a]} (->R ...)] ...).
Fix: core-vector? excludes shape-recs, matching Clojure (a record is not a
vector or sequential). jvec? is unchanged for internal representation dispatch.
Regression cases added to record-declared-shape-test.
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| clojure-stdlib/clojure | ||
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