value_traits.hpp

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#pragma once
 
#include "../macros.hpp"
#include <concepts>
 
hi_export_module(hikogui.utility.value_traits);
 
hi_export namespace hi { inline namespace v1 {
 
template<std::integral T>
[[nodiscard]] constexpr bool is_integral_value(T const &rhs) noexcept
{
    return true;
}
 
template<std::floating_point T>
[[nodiscard]] constexpr bool is_integral_value(T const &rhs) noexcept
{
    return static_cast<double>(static_cast<long long>(rhs)) == static_cast<double>(rhs);
}
 
}}