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chore: add test for recursive structures #6173

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Nov 22, 2024
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chore: add test for recursive structures #6173

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12 changes: 12 additions & 0 deletions tests/lean/run/structure_recursive.lean
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Expand Up @@ -108,6 +108,18 @@ structure A5 extends A4 Nat Bool where
x := 0
y := true

/-!
Default value whose type depends on the recursive structure.
Reported in https://github.com/leanprover/lean4/issues/6140
-/

structure RecS where
n : Nat
recS : Option RecS := none

/-- info: { n := 0, recS := none } : RecS -/
#guard_msgs in #check ({ n := 0 } : RecS)

/-!
Incidental new feature: checking projections when the structure is Prop.
-/
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