diff options
author | xclerc <xclerc@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2013-09-20 12:40:28 +0000 |
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committer | xclerc <xclerc@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2013-09-20 12:40:28 +0000 |
commit | e46ce40cee2c34f47acb55d2b24bd09f00987556 (patch) | |
tree | 696da31b3041d1b7c69244ab5a48f77b87ccf79b /test-suite/bugs/closed/2733.v | |
parent | 20bb249ed0e19cc0132519e3de06fafe2ba500c3 (diff) |
Get rid of "shouldsucceed" subdirectory by moving tests to parent directory.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16797 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'test-suite/bugs/closed/2733.v')
-rw-r--r-- | test-suite/bugs/closed/2733.v | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/2733.v b/test-suite/bugs/closed/2733.v new file mode 100644 index 000000000..832de4f91 --- /dev/null +++ b/test-suite/bugs/closed/2733.v @@ -0,0 +1,28 @@ +Unset Asymmetric Patterns. + +Definition goodid : forall {A} (x: A), A := fun A x => x. +Definition wrongid : forall A (x: A), A := fun {A} x => x. + +Inductive ty := N | B. + +Inductive alt_list : ty -> ty -> Type := + | nil {k} : alt_list k k + | Ncons {k} : nat -> alt_list B k -> alt_list N k + | Bcons {k} : bool -> alt_list N k -> alt_list B k. + +Definition trullynul k {k'} (l : alt_list k k') := +match k,l with + |N,l' => Ncons 0 (Bcons true l') + |B,l' => Bcons true (Ncons 0 l') +end. + +Fixpoint app (P : forall {k k'}, alt_list k k' -> alt_list k k') {t1 t2} (l : alt_list t1 t2) {struct l}: forall {t3}, alt_list t2 t3 -> +alt_list t1 t3 := + match l with + | nil => fun _ l2 => P l2 + | Ncons n l1 => fun _ l2 => Ncons n (app (@P) l1 l2) + | Bcons b l1 => fun _ l2 => Bcons b (app (@P) l1 l2) + end. + +Check (fun {t t'} (l: alt_list t t') => + app trullynul (goodid l) (wrongid _ nil)). |