Converts class enum to underlying type.

to_ul.hpp

#ifndef RUS_TO_UL_HPP
#define RUS_TO_UL_HPP

#include <type_traits>

/**
 * Convert a class enumeration to its underlying type.
 * Got tired of writing out static_casts and std::underlying type
 * @param enumeration 
 * @return Value of enumeration
 */
constexpr auto to_ul(const auto enumeration) {
    static_assert(std::is_enum<decltype(enumeration)>::value);
    return static_cast< typename std::underlying_type<decltype(enumeration)>::type >(enumeration);
}

#endif