From 64fb0ac016c7fd01c60c39af60f6431bac57f9ee Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Tue, 1 Aug 2017 12:22:41 +0200
Subject: Declare single-argument (non-converting) constructors "explicit"

In order to avoid unintended implicit conversions.
---
 src/qt/callback.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/qt/callback.h')

diff --git a/src/qt/callback.h b/src/qt/callback.h
index a8b593a652..da6b0c4c2e 100644
--- a/src/qt/callback.h
+++ b/src/qt/callback.h
@@ -16,7 +16,7 @@ class FunctionCallback : public Callback
     F f;
 
 public:
-    FunctionCallback(F f_) : f(std::move(f_)) {}
+    explicit FunctionCallback(F f_) : f(std::move(f_)) {}
     ~FunctionCallback() override {}
     void call() override { f(this); }
 };
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