From 2516c16bb9b35db18661ab180a41b0e157addefb Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Thu, 22 Jan 2015 13:10:21 +0000
Subject: [PATCH] Fix error message in tuple option parsing

---
 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 9151cd1c..5e7d8397 100644
--- a/src/option_types.hh
+++ b/src/option_types.hh
@@ -141,7 +141,9 @@ void option_from_string(StringView str, std::tuple<Types...>& opt)
 {
     auto elems = split(str, tuple_separator, '\\');
     if (elems.size() != sizeof...(Types))
-        throw runtime_error("not enough elements in tuple");
+        throw runtime_error(elems.size() < sizeof...(Types) ?
+                              "not enough elements in tuple"
+                            : "to many elements in tuple");
     TupleOptionDetail<sizeof...(Types)-1, Types...>::from_string(elems, opt);
 }