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| author |  herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2008-05-14 21:03:43 +0000 |
|---|---|---|
| committer | herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2008-05-14 21:03:43 +0000 |
| commit | 4586e512ff1f8b7e3911959bd2ab60f465f236f9 (patch) | |
| tree | 4e8ed463f055d5f40cdfc141cb60d1d4b735d2ee /test-suite/success/unification.v | |
| parent | f13aaec57df12380323edf450aec14c372422d58 (diff) | |
Résolution des problèmes ambigus d'inférence du type de retour des
problèmes de filtrage au nivau de consider_remaining_unif_problems
(résoud en particulier le "bug" #1851).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10927 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'test-suite/success/unification.v')
| -rw-r--r-- | test-suite/success/unification.v | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test-suite/success/unification.v b/test-suite/success/unification.v index 51b0e06e5..91ee18ea4 100644 --- a/test-suite/success/unification.v +++ b/test-suite/success/unification.v @@ -117,3 +117,12 @@ Inductive nonemptyT (t : Type) : Prop := nonemptyT_intro : t -> nonemptyT t. Goal True. try case nonemptyT_intro. (* check that it fails w/o anomaly *) Abort. + +(* Test handling of return type and when it is decided to make the + predicate dependent or not - see "bug" #1851 *) + +Goal forall X (a:X) (f':nat -> X), (exists f : nat -> X, True). +intros. +exists (fun n => match n with O => a | S n' => f' n' end). +constructor. +Qed. |