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Chez parity: delay / force / realized? (jolt-cf1q.7)

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Add a thread-safe delay type (concurrency.ss): make-delay wraps a thunk; deref/
force run it once under a lock and cache (JVM delays are thread-safe + memoized).
delay? and realized?-on-a-delay are native; the overlay's `delay` macro
(-> make-delay) and `force` (-> deref) now work. realized? wrapper (post-prelude)
and the deref chain gain a delay arm. Removed the np-delay? stub from
natives-parity.ss (the real type lives in concurrency.ss).

Seed unchanged (no re-mint). zero-Janet 2673->2685, 0 new divergences; Janet gate
+ JVM cert green.

jolt-cf1q.7
This commit is contained in:
Yogthos 2026-06-20 17:02:42 -04:00
parent 4b4d677fe4
commit 1d6e740668
4 changed files with 26 additions and 11 deletions
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2
host/chez/post-prelude.ss
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@ -62,6 +62,6 @@
(let ((overlay-realized? (var-deref "clojure.core" "realized?")))
(def-var! "clojure.core" "realized?"
(lambda (x)
(if (or (jolt-future? x) (jolt-promise? x))
(if (or (jolt-future? x) (jolt-promise? x) (jolt-delay? x))
(jolt-conc-realized? x)
(jolt-invoke overlay-realized? x)))))