Mercurial Mercurial > repos > isabelle / changeset
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | raw | gz | help
Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fix subtle type inference bug in Metis -- different occurrences of the same Skolem might need to be typed differently, using paramify_vars overconstraints the typing problem
authorblanchet
Thu, 14 Jul 2011 15:14:38 +0200 (2011-07-14)
changeset 43826 2b094d17f432
parent 43825 fbc3d9a3a6cd
child 43827 62d64709af3b
child 43831 e323be6b02a5
fix subtle type inference bug in Metis -- different occurrences of the same Skolem might need to be typed differently, using paramify_vars overconstraints the typing problem
src/HOL/Tools/Metis/metis_translate.ML file | annotate | diff | comparison | revisions 
--- a/src/HOL/Tools/Metis/metis_translate.ML	Thu Jul 14 15:14:38 2011 +0200
+++ b/src/HOL/Tools/Metis/metis_translate.ML	Thu Jul 14 15:14:38 2011 +0200
@@ -94,7 +94,7 @@
   map_aterms (fn t as Const (s, _) =>
                  if String.isPrefix old_skolem_const_prefix s then
                    AList.lookup (op =) old_skolems s |> the
-                   |> map_types Type_Infer.paramify_vars
+                   |> map_types (map_type_tvar (K dummyT))
                  else
                    t
                | t => t)
isabelle