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-rw-r--r--options/value-traits.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/options/value-traits.hpp b/options/value-traits.hpp
index d1a64da8..3548c77a 100644
--- a/options/value-traits.hpp
+++ b/options/value-traits.hpp
@@ -14,7 +14,7 @@ template<typename t, typename u = t, typename Enable = void>
struct default_value_traits
{
using element_type = std::decay_t<t>;
- using value_type = u;
+ using value_type = std::decay_t<u>;
static inline value_type from_value(const value_type& val, const value_type&) { return val; }
static inline value_type from_storage(const element_type& x) { return static_cast<value_type>(x); }