90bfd84a07
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*
83 lines
1.1 KiB
Text
83 lines
1.1 KiB
Text
section
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parameter {A : Type*}
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parameter A
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-- definition id (a : A) := a
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parameter {A}
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definition id₂ (a : A) := a
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end
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check @id
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check @id₂
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section
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parameters {A : Type*} {B : Type*}
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definition foo1 (a : A) (b : B) := a
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parameters {A} (B)
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definition foo2 (a : A) (b : B) := a
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parameters (A) {B}
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definition foo3 (a : A) (b : B) := a
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parameters (A) (B)
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definition foo4 (a : A) (b : B) := a
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check @foo1
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check @foo2
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check @foo3
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check @foo4
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end
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check @foo1
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check @foo2
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check @foo3
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check @foo4
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section
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variables {A : Type*} {B : Type*}
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definition boo1 (a : A) (b : B) := a
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variables {A} (B)
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definition boo2 (a : A) (b : B) := a
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variables (A) {B}
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definition boo3 (a : A) (b : B) := a
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variables (A) (B)
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definition boo4 (a : A) (b : B) := a
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check @boo1
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check @boo2
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check @boo3
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check @boo4
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end
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section
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variables {A : Type*} {B : Type*}
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parameter (A) -- ERROR
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variable (C) -- ERROR
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variables (C) (D) -- ERROR
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variables C -- ERROR
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definition id3 (a : A) := a
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parameter id3 -- ERROR
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parameter (C : Type)
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variables {C} -- ERROR
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end
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