From c9e7d7f1ceb22667e77a4ee49a4afc2cce6f9a2c Mon Sep 17 00:00:00 2001
From: Pierre-Marie Pédrot
Date: Wed, 26 Jul 2017 22:47:18 +0200
Subject: Adding an example file

---
 tests/example1.v | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 tests/example1.v

diff --git a/tests/example1.v b/tests/example1.v
new file mode 100644
index 0000000000..1b26aad824
--- /dev/null
+++ b/tests/example1.v
@@ -0,0 +1,26 @@
+Require Import Ltac2.Ltac2.
+
+Import Ltac2.Control.
+
+(** Alternative implementation of the hyp primitive *)
+Ltac2 get_hyp_by_name x :=
+  let h := hyps () in
+  let rec find x l := match l with
+  | [] => zero Not_found
+  | p :: l =>
+    match p with
+    | (id, _, t) =>
+      match Ident.equal x id with
+      | true => t
+      | false => find x l
+      end
+    end
+  end in
+  find x h.
+
+Print Ltac2 get_hyp_by_name.
+
+Goal forall n m, n + m = 0 -> n = 0.
+Proof.
+refine (fun () => '(fun n m H => _)).
+let t := get_hyp_by_name @H in Message.print (Message.of_constr t).
-- 
cgit v1.2.3