22 lines
345 B
Text
22 lines
345 B
Text
open nat
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structure [class] foo :=
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(a : nat) (b : nat)
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attribute [instance, priority std.priority.default+1]
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definition i1 : foo :=
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foo.mk 1 1
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attribute [instance]
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definition i2 : foo :=
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foo.mk 2 2
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example : foo.a = 1 :=
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rfl
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attribute [instance, priority std.priority.default+2]
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definition i3 : foo :=
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foo.mk 3 3
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example : foo.a = 3 :=
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rfl
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