cpp-lazy-stream/include/stream/iterator/sentinel.h

//
//  sentinel.h
//  stream
//
//  Created by Sam Jaffe on 4/8/23.
//

#pragma once

#include <iterator/sentinel.h>

#include <stream/forward.h>

#include <stream/detail/traits.h>

#include <stream/detail/macro.h>

namespace stream::ranges {
constexpr sentinel_t sentinel{};

template <typename Self, typename Base, typename... Args>
auto sentinel_end(Self *, Base && base, Args &&... args) {
  if constexpr (detail::has_sentinal_v<Base>) {
    return FWD(base).end();
  } else {
    return detail::begin_t<Self>(FWD(base).end(), FWD(args)...);
  }
}
}

#include <stream/detail/undef.h>