19 lines
214 B
Text
19 lines
214 B
Text
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structure A :=
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(x : Nat := 0)
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def foo : A :=
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{}
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theorem ex1 : foo = { x := 0 } :=
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rfl
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theorem ex2 : foo.x = 0 :=
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rfl
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instance : EmptyCollection A :=
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⟨{ x := 10 }⟩
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def boo : A :=
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{} -- this is ambiguous
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