terse::Transparent Transparent.h typename T T using terse::Transparent< T >::WrappedType = T WrappedType terse::Transparent::WrappedType WrappedType & WrappedType& terse::Transparent< T >::data data terse::Transparent::data terse::Transparent< T > terse::Transparentdata terse::TransparentWrappedType