From 5aa0fea29b881d3f4c9e854aae5726ae2c4cc5e4 Mon Sep 17 00:00:00 2001
From: Johannes Schlatow <johannes.schlatow@genode-labs.com>
Date: Tue, 1 Feb 2022 15:02:42 +0100
Subject: [PATCH] base: pass lambdas by reference in util/attempt.h

genodelabs/genode#4393
---
 repos/base/include/util/attempt.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/repos/base/include/util/attempt.h b/repos/base/include/util/attempt.h
index d1252efd3d..3d24734b9d 100644
--- a/repos/base/include/util/attempt.h
+++ b/repos/base/include/util/attempt.h
@@ -53,20 +53,20 @@ class Genode::Attempt
 		Attempt &operator = (Attempt const &) = default;
 
 		template <typename RET, typename ACCESS_FN, typename FAIL_FN>
-		RET convert(ACCESS_FN const &access_fn, FAIL_FN const fail_fn) const
+		RET convert(ACCESS_FN const &access_fn, FAIL_FN const &fail_fn) const
 		{
 			return _ok ? RET { access_fn(_result) }
 			           : RET { fail_fn(_error) };
 		}
 
 		template <typename ACCESS_FN, typename FAIL_FN>
-		void with_result(ACCESS_FN const &access_fn, FAIL_FN const fail_fn) const
+		void with_result(ACCESS_FN const &access_fn, FAIL_FN const &fail_fn) const
 		{
 			_ok ? access_fn(_result) : fail_fn(_error);
 		}
 
 		template <typename FAIL_FN>
-		void with_error(FAIL_FN const fail_fn) const
+		void with_error(FAIL_FN const &fail_fn) const
 		{
 			if (!_ok)
 				fail_fn(_error);