4f45a514fc
This commit fixes the issue reported at https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/instance.20not.20synthesizing.20issue.3F
10 lines
274 B
Text
10 lines
274 B
Text
class L0 where f : Type _
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class A0 where a : Type _
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class B0 where b : Type _
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instance [A0] [B0] : L0 := ⟨A0.a × B0.b⟩
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class A1
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instance [A1] : A0 := ⟨Nat⟩
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class L1 extends A1, B0
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class C0 [L0]
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-- instance [L1] : L0 := inferInstance
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instance [L1] : C0 := ⟨⟩
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