From 5938712d1f6b90d24a520074e234a6c4c3fb666e Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Thu, 22 Oct 2015 13:21:59 +0100
Subject: [PATCH] Support :set -add on strings, using concatenation

---
 src/option_types.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/option_types.hh b/src/option_types.hh
index fce15ad6..d2161be2 100644
--- a/src/option_types.hh
+++ b/src/option_types.hh
@@ -16,6 +16,7 @@ namespace Kakoune
 
 inline String option_to_string(StringView opt) { return opt.str(); }
 inline void option_from_string(StringView str, String& opt) { opt = str.str(); }
+inline bool option_add(String& opt, const String& val) { opt += val; return not val.empty(); }
 
 inline String option_to_string(int opt) { return to_string(opt); }
 inline void option_from_string(StringView str, int& opt) { opt = str_to_int(str); }