traits.hpp

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/*
This code is written by kerukuro and released into public domain.
*/
 
#ifndef DIGESTPP_DETAIL_TRAITS_HPP
#define DIGESTPP_DETAIL_TRAITS_HPP
 
#include <cstddef> // needed for testing std::byte
 
namespace digestpp
{
namespace detail
{
 
template <typename T>
struct is_xof
{
    static const bool value = T::is_xof;
};
 
template <typename T>
struct is_byte
{
    static const bool value = std::is_same<T, char>::value ||
            std::is_same<T, signed char>::value ||
#if (defined(_HAS_STD_BYTE) && _HAS_STD_BYTE) || (defined(__cpp_lib_byte) && __cpp_lib_byte >= 201603)
            std::is_same<T, std::byte>::value ||
#endif
            std::is_same<T, unsigned char>::value;
};
 
} // namespace detail
} // namespace digestpp
 
#endif // DIGESTPP_DETAIL_TRAITS_HPP