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// Приведение численного типа к структуре с битовыми полями
template <class STRUCT_T, typename T>
STRUCT_T struct_cast(const T n)
{
    static_assert(std::is_integral<T>::value, "Integral type required as T");
    static_assert(std::is_class<STRUCT_T>::value, "class or struct type required as STRUCT_T");
    static_assert(sizeof(T) == sizeof(STRUCT_T), "Incompatible types passed");
    return *(reinterpret_cast<const STRUCT_T*>(&n));
}
// Приведение структур с битовыми полями к численному типу
template <typename T, class STRUCT_T>
T integral_cast(const STRUCT_T& s)
{
    static_assert(std::is_integral<T>::value, "Integral type required as T");
    static_assert(std::is_class<STRUCT_T>::value, "class or struct type required as STRUCT_T");
    static_assert(sizeof(T) == sizeof(STRUCT_T), "Incompatible types passed");
    return *(reinterpret_cast<const T*>(&s));
}
                                    
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