diff options
Diffstat (limited to 'odb/boost/optional/wrapper-traits.hxx')
-rw-r--r-- | odb/boost/optional/wrapper-traits.hxx | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/odb/boost/optional/wrapper-traits.hxx b/odb/boost/optional/wrapper-traits.hxx index 04f4b55..cc2b7a4 100644 --- a/odb/boost/optional/wrapper-traits.hxx +++ b/odb/boost/optional/wrapper-traits.hxx @@ -22,6 +22,12 @@ namespace odb typedef T wrapped_type; typedef ::boost::optional<T> wrapper_type; + // T can be const. + // + typedef + typename details::meta::remove_const<T>::result + unrestricted_wrapped_type; + static const bool null_handler = true; static const bool null_default = true; @@ -43,13 +49,13 @@ namespace odb return *o; } - static wrapped_type& + static unrestricted_wrapped_type& set_ref (wrapper_type& o) { if (!o) - o = T (); + o = unrestricted_wrapped_type (); - return *o; + return const_cast<unrestricted_wrapped_type&> (*o); } }; } |