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*
9 lines
131 B
Text
9 lines
131 B
Text
constant A : Type
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constant a : A
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constant A_has_add : has_add A
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check a + a -- ERROR
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attribute [instance] A_has_add
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check a + a
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