From ea6994dd3b3056b981f13ebb39072fd3dff485bd Mon Sep 17 00:00:00 2001
From: Maxime Coste <mawww@kakoune.org>
Date: Fri, 30 Dec 2016 06:43:32 +0000
Subject: [PATCH] Use a struct WorstMatch instead of varargs for the fallback
 option_add

varargs cannot handle non pod types.
---
 src/option_types.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/option_types.hh b/src/option_types.hh
index 3b5799dd..fd6b3b14 100644
--- a/src/option_types.hh
+++ b/src/option_types.hh
@@ -214,7 +214,9 @@ inline bool option_add(StronglyTypedNumber<RealType, ValueType>& opt,
     return val != 0;
 }
 
-inline bool option_add(...)
+struct WorstMatch { template<typename T> WorstMatch(T&&) {} };
+
+inline bool option_add(WorstMatch, StringView str)
 {
     throw runtime_error("no add operation supported for this option type");
 }