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| author | herbelin | 2000-01-26 15:01:55 +0000 |
|---|---|---|
| committer | herbelin | 2000-01-26 15:01:55 +0000 |
| commit | daf4ef5bb4138eb2ab9b7bf39d1c6a08984b8c01 (patch) | |
| tree | 08b8482a9e974697f961993d039e7274ea1e1d99 /kernel/safe_typing.ml | |
| parent | 40183da6b54d8deef242bac074079617d4a657c2 (diff) | |
Abstraction de l'implémentation des signatures de Sign en vue intégration du let-in
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@281 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'kernel/safe_typing.ml')
| -rw-r--r-- | kernel/safe_typing.ml | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/safe_typing.ml b/kernel/safe_typing.ml index b2c5df74f6..be489e047a 100644 --- a/kernel/safe_typing.ml +++ b/kernel/safe_typing.ml @@ -439,11 +439,11 @@ let pop_vars idl env = if n = 0 then sign else - match sign with - | (id::ids,_::tys) -> + if isnull_sign sign then anomaly "pop_vars" + else + let (id,_) = hd_sign sign in if not (List.mem id idl) then anomaly "pop_vars"; - remove (pred n) (ids,tys) - | _ -> anomaly "pop_vars" + remove (pred n) (tl_sign sign) in change_hyps (remove (List.length idl)) env |