diff options
| author |  msozeau <msozeau@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2010-01-14 12:58:35 +0000 |
|---|---|---|
| committer | msozeau <msozeau@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2010-01-14 12:58:35 +0000 |
| commit | 8dc08fad7f99f48837e2e617f4d484364f7f8fc3 (patch) | |
| tree | d3ccea189b36edf92504fbac7794a7ea3c65d982 /plugins/subtac/subtac_coercion.ml | |
| parent | 579d0fe3fc304f02100d70d2174807fc5006ab39 (diff) | |
- Show Obligation Tactic
- fix bug #1952.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12668 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'plugins/subtac/subtac_coercion.ml')
| -rw-r--r-- | plugins/subtac/subtac_coercion.ml | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/plugins/subtac/subtac_coercion.ml b/plugins/subtac/subtac_coercion.ml index 8cf28a0dd..9161d8887 100644 --- a/plugins/subtac/subtac_coercion.ml +++ b/plugins/subtac/subtac_coercion.ml @@ -175,13 +175,13 @@ module Coercion = struct let c2 = coerce_unify env' (subst1 coec1 (liftn 1 2 b)) b' in (* env, x : a' |- c2 : b[c1[x]/x]] > b' *) (match c1, c2 with - None, None -> failwith "subtac.coerce': Should have detected equivalence earlier" - | _, _ -> - Some - (fun f -> - mkLambda (name', a', - app_opt c2 - (mkApp (Term.lift 1 f, [| coec1 |]))))) + | None, None -> None + | _, _ -> + Some + (fun f -> + mkLambda (name', a', + app_opt c2 + (mkApp (Term.lift 1 f, [| coec1 |]))))) | App (c, l), App (c', l') -> (match kind_of_term c, kind_of_term c' with |