From a5a851f55aeddaf6d985730cac3d660b39e67206 Mon Sep 17 00:00:00 2001 From: "Paolo G. Giarrusso" <p.giarrusso@gmail.com> Date: Fri, 17 May 2019 12:28:47 +0200 Subject: [PATCH] Strings are inhabited --- theories/strings.v | 2 ++ 1 file changed, 2 insertions(+) diff --git a/theories/strings.v b/theories/strings.v index 7c674d38..989dfa95 100644 --- a/theories/strings.v +++ b/theories/strings.v @@ -23,6 +23,8 @@ Proof. solve_decision. Defined. Instance string_app_inj : Inj (=) (=) (String.append s1). Proof. intros s1 ???. induction s1; simplify_eq/=; f_equal/=; auto. Qed. +Instance string_inhabited : Inhabited string := populate "". + (* Reverse *) Fixpoint string_rev_app (s1 s2 : string) : string := match s1 with -- GitLab