1.1 --- a/src/HOL/Quickcheck_Exhaustive.thy Thu Jan 12 00:14:20 2012 +0100
1.2 +++ b/src/HOL/Quickcheck_Exhaustive.thy Thu Jan 12 10:19:33 2012 +0100
1.3 @@ -135,6 +135,33 @@
1.4
1.5 end
1.6
1.7 +instantiation set :: (exhaustive) exhaustive
1.8 +begin
1.9 +
1.10 +fun exhaustive_set
1.11 +where
1.12 + "exhaustive_set f i = (if i = 0 then None else (f {} orelse exhaustive_set (%A. f A orelse Quickcheck_Exhaustive.exhaustive (%x. if x \<in> A then None else f (insert x A)) (i - 1)) (i - 1)))"
1.13 +
1.14 +instance ..
1.15 +
1.16 +end
1.17 +
1.18 +definition (in term_syntax) "valterm_emptyset = Code_Evaluation.valtermify ({} :: ('a :: typerep) set)"
1.19 +definition (in term_syntax) "valtermify_insert x s = Code_Evaluation.valtermify insert {\<cdot>} (x :: ('a :: typerep * _)) {\<cdot>} s"
1.20 +
1.21 +instantiation set :: (full_exhaustive) full_exhaustive
1.22 +begin
1.23 +
1.24 +fun full_exhaustive_set
1.25 +where
1.26 + "full_exhaustive_set f i = (if i = 0 then None else (f valterm_emptyset orelse full_exhaustive_set (%A. f A orelse Quickcheck_Exhaustive.full_exhaustive (%x. if fst x \<in> fst A then None else f (valtermify_insert x A)) (i - 1)) (i - 1)))"
1.27 +
1.28 +instance ..
1.29 +
1.30 +end
1.31 +
1.32 +hide_const valterm_emptyset valtermify_insert
1.33 +
1.34 instantiation "fun" :: ("{equal, exhaustive}", exhaustive) exhaustive
1.35 begin
1.36