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[Merged by Bors] - chore(CategoryTheory/Comma/Arrow): restore use of inferInstanceAs #38065

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[Merged by Bors] - chore(CategoryTheory/Comma/Arrow): restore use of inferInstanceAs #38065

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6 changes: 4 additions & 2 deletions Mathlib/CategoryTheory/Comma/Arrow.lean
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Expand Up @@ -37,9 +37,11 @@ def Arrow := Comma (𝟭 T) (𝟭 T)
/-- The type of morphisms in the category `Arrow T`. -/
protected def Arrow.Hom (f g : Arrow T) := CommaMorphism f g

instance : Category (Arrow T) where
instance : Quiver (Arrow T) where
Hom := Arrow.Hom
__ := (inferInstance : Category (Comma (𝟭 T) (𝟭 T)))

instance : Category (Arrow T) :=
inferInstanceAs <| Category (Comma (𝟭 T) (𝟭 T))

namespace Arrow

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