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Add a regression test for re-analyzing an array pattern #472

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Merged
mame merged 1 commit into from
Sep 1, 2026
+27 −0
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Add a regression test for re-analyzing an array pattern #472

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27 changes: 27 additions & 0 deletions scenario/patterns/array_pat_reedit.rb
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Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
## update
def foo(ary)
case ary
in [a]
a
end
end
foo([1])

## assert
class Object
def foo: ([Integer]) -> Integer
end

## update
def foo(ary)
case ary
in [a]
a.to_s
end
end
foo([1])

## assert
class Object
def foo: ([Integer]) -> String
end
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