views.hpp

// SPDX-FileCopyrightText: Intel Corporation
//
// SPDX-License-Identifier: BSD-3-Clause
 
#pragma once
 
#include <dr/concepts/concepts.hpp>
#include <dr/views/transform.hpp>
 
namespace dr {
 
// returns range: [(rank, element) ...]
auto ranked_view(const dr::distributed_range auto &r) {
  auto rank = [](auto &&v) { return dr::ranges::rank(&v); };
  return rng::views::zip(rng::views::transform(r, rank), r);
}
 
} // namespace dr