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Verified Commit a5a851f5 authored by Paolo G. Giarrusso's avatar Paolo G. Giarrusso
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Strings are inhabited

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theories/strings.v
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......@@ -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
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