d770c55326
This commit makes sure Lean 4 treats universe level parameters in instances as `outParam`s. This the behavior in Lean 3. fixes #319
14 lines
380 B
Text
14 lines
380 B
Text
class Class.{u} where
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dummy : PUnit.{u}
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def notWork [Class.{u}] : PUnit := Class.dummy
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def alsoNotWork [Class.{1}] : PUnit := Class.dummy
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def work [Class.{u}] : PUnit.{u} := Class.dummy
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def alsoWork [Class.{u}] := Class.dummy.{u}
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class Category.{v, u} (Ob : Type u) where
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Hom : Ob → Ob → Type v
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variable (C : Type u) [Category.{v} C] (X : C)
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#check (Category.Hom X X)
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