tables::column::operator
1) Assignment operator
template<is_primitive_type P>
column<P>& operator=(const column<P>& other)
2) Move assignment operator
template<is_primitive_type P>
column<P>& operator=(column<P>&& other)
1) Assignment operator
template<is_primitive_type P>
column<P>& operator=(const column<P>& other)
2) Move assignment operator
template<is_primitive_type P>
column<P>& operator=(column<P>&& other)