fd2c42a8bf
sed -Ei 's/^(\s*)((private |protected )?(noncomputable )?(abbreviation|definition|meta_definition|theorem|lemma|proposition|corollary)\s+\S+\s*)((\s*\[(\S+(\s+[0-9]+)*|priority.*)\])+)\s*/\1attribute \6\n\1\2/' library/**/*.lean tests/**/*.lean sed -Ei 's/\s+$//' library/**/*.lean # remove trailing whitespace
26 lines
568 B
Text
26 lines
568 B
Text
--
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set_option pp.notation false
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inductive C [class] (A : Type) :=
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mk : A → C A
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definition val {A : Type} (c : C A) : A :=
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C.rec (λa, a) c
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constant magic (A : Type) : A
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attribute [instance] [priority std.priority.max]
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definition C_magic (A : Type) : C A :=
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C.mk (magic A)
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attribute [instance]
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definition C_prop : C Prop :=
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C.mk true
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attribute [instance]
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definition C_prod {A B : Type} (Ha : C A) (Hb : C B) : C (prod A B) :=
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C.mk (pair (val Ha) (val Hb))
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-- C_magic will be used because it has max priority
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definition test : C (prod Prop Prop) := _
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eval test
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