From 0b51e3828116f6847865fae93893eb97a10d1cc2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?louiz=E2=80=99?= <louiz@louiz.org>
Date: Thu, 23 Aug 2018 20:30:11 +0200
Subject: MaxHistoryLength now has some sensible default value if the user set
 a negative one

---
 src/utils/optional_bool.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/utils/optional_bool.hpp')

diff --git a/src/utils/optional_bool.hpp b/src/utils/optional_bool.hpp
index 867aca2..3d00d23 100644
--- a/src/utils/optional_bool.hpp
+++ b/src/utils/optional_bool.hpp
@@ -6,7 +6,7 @@ struct OptionalBool
 {
   OptionalBool() = default;
 
-  OptionalBool(bool value):
+  explicit OptionalBool(bool value):
   is_set(true), value(value) {}
 
   void set_value(bool value)
-- 
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