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Add fix for issue #1687 - destrucutre + splice

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An optimization to ellude creation of intermediate tuples was
erroneously flagging a splice as invalid, even though it was valid.
Instead, if we see splice on the rhs, bail out of the optimization.
This commit is contained in:
Calvin Rose
2025-12-22 07:40:29 -06:00
parent 7d672f43fc
commit d5a56caa33
3 changed files with 25 additions and 3 deletions
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test/suite-corelib.janet
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@@ -195,5 +195,10 @@
(assert (= :yes (match [1 2 3] [x y z w] :no1 [x y $] :no2 [x y z] :yes)) "match dollar suffix 1")
(assert (= :yes (match [1 2 3] [x y z w] :no1 [x y z $] :yes [x y z] :no2)) "match dollar suffix 2")
# Issue #1687
(assert-no-error "def destructure splice works 1" (do (def [a] [;[1]]) a))
(assert-no-error "def destructure splice works 2" (do (def (n) [(splice [])]) n))
(assert-no-error "var destructure splice works" (do (var [a] [;[1]]) a))
(end-suite)