From 1d5bdc17a46648eb3494ff629d0d360d0217c1e2 Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Tue, 3 Jan 2023 16:04:06 +0100
Subject: [PATCH] use impossible enum type

---
 src/util/migrate.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/migrate.rs b/src/util/migrate.rs
index 00d81181..1229fd9c 100644
--- a/src/util/migrate.rs
+++ b/src/util/migrate.rs
@@ -58,7 +58,7 @@ impl<T: InitialFormat> Migrate for T {
 
 /// Internal type used by InitialFormat, not meant for general use.
 #[derive(Serialize, Deserialize)]
-pub struct NoPrevious;
+pub enum NoPrevious {}
 
 impl Migrate for NoPrevious {
 	type Previous = NoPrevious;