From d6fd7106f23bf1442be8427efa6ca2d611bccf75 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Thu, 20 Jul 2017 23:14:26 +0200
Subject: options/tie: add overload with no format string

---
 options/tie.hpp | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/options/tie.hpp b/options/tie.hpp
index 16bf51d4..dffc6306 100644
--- a/options/tie.hpp
+++ b/options/tie.hpp
@@ -58,11 +58,6 @@ void tie_setting(value<t>& v, QLabel* lb, const QString& format, const xs&... ar
                         v.SAFE_CONNTYPE);
 }
 
-// Clang 3.9 has a bug
-// error: missing default argument on parameter 'args'
-
-// cf. http://stackoverflow.com/questions/29098835/can-parameter-pack-function-arguments-be-defaulted
-
 template<typename t, typename F, typename... xs>
 decltype((void)((std::declval<F>())(std::declval<const t&>())))
 tie_setting(value<t>& v, QLabel* lb, F&& fun, const QString& fmt, const xs&... args)
@@ -75,6 +70,13 @@ tie_setting(value<t>& v, QLabel* lb, F&& fun, const QString& fmt, const xs&... a
                         v.SAFE_CONNTYPE);
 }
 
+template<typename t, typename F, typename... xs>
+decltype((void)((std::declval<F>())(std::declval<const t&>())))
+tie_setting(value<t>& v, QLabel* lb, F&& fun)
+{
+    tie_setting(v, lb, fun, QStringLiteral("%1"));
+}
+
 OTR_OPTIONS_EXPORT void tie_setting(value<int>& v, QComboBox* cb);
 OTR_OPTIONS_EXPORT void tie_setting(value<QString>& v, QComboBox* cb);
 OTR_OPTIONS_EXPORT void tie_setting(value<QVariant>& v, QComboBox* cb);
-- 
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