transfer_const.h

#pragma once 
 
namespace cgv {
    namespace type {
        namespace func {
            template <typename T, typename S>
            struct transfer_const
            {
                typedef S type;
            };
            // specialize for const types
            template <typename T, typename S>
            struct transfer_const<const T, S>
            {
                typedef const S type;
            };
            // specialize for const pointer types
            template <typename T, typename S>
            struct transfer_const<const T*, S*>
            {
                typedef const S* type;
            };
        }
    }
}