aboutsummaryrefslogtreecommitdiffhomepage
path: root/test-suite
diff options
context:
space:
mode:
authorGravatar Hugo Herbelin <Hugo.Herbelin@inria.fr>2017-05-01 13:25:10 +0200
committerGravatar Hugo Herbelin <Hugo.Herbelin@inria.fr>2017-05-05 17:31:04 +0200
commitcff6f53cbef53ce3902e59853f7a7dc9b7150f45 (patch)
tree27cfa7cadd315f7784bda289756b09e86176e945 /test-suite
parent6c92a59efd01b4fd8a11eebb01fc5d2a3db6c2ee (diff)
Adding a test-suite pattern-unification example that Econstr fixed.
Diffstat (limited to 'test-suite')
-rw-r--r--test-suite/success/unification.v11
1 files changed, 11 insertions, 0 deletions
diff --git a/test-suite/success/unification.v b/test-suite/success/unification.v
index 296686e16..6f7498d65 100644
--- a/test-suite/success/unification.v
+++ b/test-suite/success/unification.v
@@ -188,3 +188,14 @@ Proof.
apply idpath.
apply idpath.
Defined.
+
+(* An example where it is necessary to evar-normalize the instance of
+ an evar to evaluate if it is a pattern *)
+
+Check
+ let a := ?[P] in
+ fun (H : forall y (P : nat -> Prop), y = 0 -> P y)
+ x (p:x=0) =>
+ H ?[y] a p : x = 0.
+(* We have to solve "?P ?y[x] == x = 0" knowing from
+ "p : (x=0) == (?y[x] = 0)" that "?y := x" *)