17 lines
288 B
Text
17 lines
288 B
Text
structure C [class] :=
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(val : nat)
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attribute C [multiple_instances]
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definition c1 [instance] : C := C.mk 1
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definition c2 [instance] : C := C.mk 2
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set_option class.trace_instances true
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definition f [s : C] : nat := C.val
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definition tst1 : f = 1 :=
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rfl
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definition tst2 : f = 2 :=
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rfl
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