36 lines
866 B
Text
36 lines
866 B
Text
definition foo_attr : user_attribute := { name := `foo, descr := "bar" }
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run_command attribute.register `foo_attr
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attribute [foo] eq.refl
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print [foo]
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print eq.refl
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run_command attribute.get_instances `foo >>= tactic.pp >>= tactic.trace
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print "---"
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-- compound names
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definition foo_baz_attr : user_attribute := ⟨`foo.baz, "bar"⟩
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run_command attribute.register `foo_baz_attr
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attribute [foo.baz] eq.refl
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print [foo.baz]
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print eq.refl
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run_command attribute.get_instances `foo.baz >>= tactic.pp >>= tactic.trace
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-- can't redeclare attributes
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definition duplicate : user_attribute := ⟨`reducible, "bar"⟩
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run_command attribute.register `duplicate
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-- wrong type
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definition bar := "bar"
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run_command attribute.register `bar
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section
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variable x : string
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definition baz_attr : user_attribute := ⟨`baz, x⟩
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run_command attribute.register `baz_attr
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end
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