In the standard library, we should use explicit universe variables for universe polymorphic definitions. Users that want to declare universe polymorphic definitions but do not want to provide universe level parameters should use Type _ or Type*
13 lines
239 B
Text
13 lines
239 B
Text
set_option new_elaborator true
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namespace foo
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definition {u} f (A : Type u) : Type u := A
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check f.{1}
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end foo
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constant N : Type
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section
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variable A : Type*
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definition g (a : A) (B : Type*) : A := a
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check g.{_ 2}
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end
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check g.{2 3}
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