diff options
-rw-r--r-- | test-suite/success/rewrite_dep.v | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test-suite/success/rewrite_dep.v b/test-suite/success/rewrite_dep.v new file mode 100644 index 000000000..fe250ae88 --- /dev/null +++ b/test-suite/success/rewrite_dep.v @@ -0,0 +1,33 @@ +Require Import Setoid. +Require Import Morphisms. +Require Vector. +Notation vector := Vector.t. +Notation Vcons n t := (@Vector.cons _ n _ t). + +Class Equiv A := equiv : A -> A -> Prop. +Class Setoid A `{Equiv A} := setoid_equiv:> Equivalence (equiv). + +Instance vecequiv A `{Equiv A} n : Equiv (vector A n). +admit. +Qed. + +Global Instance vcons_proper A `{Equiv A} `{!Setoid A} : + Proper (equiv ==> forall_relation (fun k => equiv ==> equiv)) + (@Vector.cons A). +Proof. Admitted. + +Instance vecseotid A `{Setoid A} n : Setoid (vector A n). +Proof. Admitted. + +(* Instance equiv_setoid A {e : Equiv A} {s : @Setoid A e} : Equivalence e. *) +(* apply setoid_equiv. *) +(* Qed. *) +(* Typeclasses Transparent Equiv. *) + +Goal forall A `{Equiv A} `{!Setoid A} (f : A -> A) (a b : A) (H : equiv a b) n (v : vector A n), + equiv (Vcons a v) (Vcons b v). +Proof. + intros. + rewrite H0. + reflexivity. +Qed.
\ No newline at end of file |