From 9580d11fef6cfc03bf3cd9a36e04455c93ad4ddc Mon Sep 17 00:00:00 2001
From: "Dirk-Jan C. Binnema" <djcb@djcbsoftware.nl>
Date: Tue, 25 Jul 2023 21:21:56 +0300
Subject: [PATCH] utils/result: add std::move version of Err

Avoid a copy in some situations
---
 lib/utils/mu-result.hh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/utils/mu-result.hh b/lib/utils/mu-result.hh
index f33a2edc..c7d6aa30 100644
--- a/lib/utils/mu-result.hh
+++ b/lib/utils/mu-result.hh
@@ -81,6 +81,13 @@ Err(const Result<T>& res)
 	return res.error();
 }
 
+template<typename T>
+static inline tl::unexpected<Error>
+Err(Result<T>&& res)
+{
+	return std::move(res.error());
+}
+
 /*
  * convenience
  */