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core: move condp macro to overlay

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Phase 3 batch 5 (jolt-1j0). condp with a recursive emit building the nested if
chain, including the test :>> result-fn form and the trailing default. This
exhausts the cleanly-portable safe macros.

conformance 228/228 x3, full suite green.
This commit is contained in:
Yogthos 2026-06-07 01:08:44 -04:00
parent 24b217d314
commit 394bbe07c3
3 changed files with 25 additions and 22 deletions
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6
test/spec/macros-spec.janet
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@ -64,4 +64,8 @@
["delay forces once" "1" "(let [c (atom 0) d (delay (swap! c inc))] @d @d @c)"]
["future deref" "9" "(deref (future (* 3 3)))"]
["letfn simple" "25" "(letfn [(sq [x] (* x x))] (sq 5))"]
["letfn mutual" "true" "(letfn [(ev? [n] (if (zero? n) true (od? (dec n)))) (od? [n] (if (zero? n) false (ev? (dec n))))] (ev? 8))"])
["letfn mutual" "true" "(letfn [(ev? [n] (if (zero? n) true (od? (dec n)))) (od? [n] (if (zero? n) false (ev? (dec n))))] (ev? 8))"]
["condp match" ":two" "(condp = 2 1 :one 2 :two 3 :three)"]
["condp default" ":else" "(condp = 9 1 :one 2 :two :else)"]
["condp :>> form" "\"got 2\"" "(condp some [1 2 3] #{0 9} :>> (fn [x] (str \"got \" x)) #{2 6} :>> (fn [x] (str \"got \" x)))"]
["condp no match" ":threw" "(try (condp = 9 1 :one) (catch :default e :threw))"])