time_point_cast.h

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#pragma once
 
#include "di/chrono/duration/duration_cast.h"
#include "di/chrono/time_point/time_point_forward_declaration.h"
#include "di/meta/core.h"
 
namespace di::chrono {
namespace detail {
    template<concepts::InstanceOf<Duration> To>
    struct TimePointCastFunction {
        template<typename Clock, typename Duration>
        constexpr auto operator()(TimePoint<Clock, Duration> const& from) const -> TimePoint<Clock, To> {
            return TimePoint<Clock, To>(chrono::duration_cast<To>(from.time_since_epoch()));
        }
    };
}
 
template<concepts::InstanceOf<Duration> To>
constexpr inline auto time_point_cast = detail::TimePointCastFunction<To> {};
}
 
namespace di {
using chrono::time_point_cast;
}