Strings are inhabited

a5a851f5 · Paolo G. Giarrusso · 7b7ee122 · a5a851f5
Verified Commit a5a851f5 authored May 17, 2019 by Paolo G. Giarrusso
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theories/strings.v theories/strings.v +2 -0

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--- 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