diff options
Diffstat (limited to 'pretyping/tacred.ml')
| -rw-r--r-- | pretyping/tacred.ml | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/pretyping/tacred.ml b/pretyping/tacred.ml index 150ff93ce..b2938cb99 100644 --- a/pretyping/tacred.ml +++ b/pretyping/tacred.ml @@ -1124,21 +1124,21 @@ let compute = cbv_betadeltaiota (* gives [na:ta]c' such that c converts to ([na:ta]c' a), abstracting only * the specified occurrences. *) -let abstract_scheme env sigma (locc,a) c = +let abstract_scheme env (locc,a) (c, sigma) = let ta = Retyping.get_type_of env sigma a in let na = named_hd env ta Anonymous in if occur_meta ta then error "Cannot find a type for the generalisation."; if occur_meta a then - mkLambda (na,ta,c) + mkLambda (na,ta,c), sigma else let c', sigma' = subst_closed_term_occ env sigma locc a c in - mkLambda (na,ta,c') + mkLambda (na,ta,c'), sigma' let pattern_occs loccs_trm env sigma c = - let abstr_trm = List.fold_right (abstract_scheme env sigma) loccs_trm c in + let abstr_trm, sigma = List.fold_right (abstract_scheme env) loccs_trm (c,sigma) in try let _ = Typing.type_of env sigma abstr_trm in - applist(abstr_trm, List.map snd loccs_trm) + sigma, applist(abstr_trm, List.map snd loccs_trm) with Type_errors.TypeError (env',t) -> raise (ReductionTacticError (InvalidAbstraction (env,sigma,abstr_trm,(env',t)))) |