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authorGravatar Benjamin Barenblat <bbaren@debian.org>2019-02-02 19:29:23 -0500
committerGravatar Benjamin Barenblat <bbaren@debian.org>2019-02-02 19:29:23 -0500
commit9ebf44d84754adc5b64fcf612c6816c02c80462d (patch)
treebf5e06a28488e0e06a2f2011ff0d110e2e02f8fc /test-suite/success/intros.v
parent9043add656177eeac1491a73d2f3ab92bec0013c (diff)
Imported Upstream version 8.9.0upstream/8.9.0upstream
Diffstat (limited to 'test-suite/success/intros.v')
-rw-r--r--test-suite/success/intros.v24
1 files changed, 24 insertions, 0 deletions
diff --git a/test-suite/success/intros.v b/test-suite/success/intros.v
index a329894a..d37ad9f5 100644
--- a/test-suite/success/intros.v
+++ b/test-suite/success/intros.v
@@ -127,4 +127,28 @@ induction 1 as (n,H,IH).
exact Logic.I.
Qed.
+(* Make "intro"/"intros" progress on existential variables *)
+Module Evar.
+
+Goal exists (A:Prop), A.
+eexists.
+unshelve (intro x).
+- exact nat.
+- exact (x=x).
+- auto.
+Qed.
+
+Goal exists (A:Prop), A.
+eexists.
+unshelve (intros x).
+- exact nat.
+- exact (x=x).
+- auto.
+Qed.
+
+Definition d := ltac:(intro x; exact (x*x)).
+
+Definition d' : nat -> _ := ltac:(intros;exact 0).
+
+End Evar.