try

Author: gouarin

include/xtl/xbasic_fixed_string.hpp

@@ -918,8 +918,7 @@ namespace xtl
     {
         auto size = error_policy::check_size(static_cast<size_type>(std::distance(first, last)));
         m_storage.set_size(size);
-        // std::copy_n(first, m_storage.size(), data());
-        std::copy(first, last, data());
+        std::copy_n(first, m_storage.size(), data());
         return *this;
     }
 

include/xtl/xsequence.hpp

@@ -121,8 +121,8 @@ namespace xtl
             static inline R forward(const T& r)
             {
                 R ret;
-                // std::copy_n(std::begin(r), std::size(ret), std::begin(ret));
-                std::copy(std::begin(r), std::end(r), std::begin(ret));
+                std::copy_n(std::begin(r), std::size(r), std::begin(ret));
+                // std::copy(std::begin(r), std::end(r), std::begin(ret));
                 return ret;
             }
         };