to_rank.hpp

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// -----------------------------------------------------------------------------------------------------
// Copyright (c) 2022 deCODE Genetics
// Copyright (c) 2006-2020, Knut Reinert & Freie Universität Berlin
// Copyright (c) 2016-2020, Knut Reinert & MPI für molekulare Genetik
// This file may be used, modified and/or redistributed under the terms of the 3-clause BSD-License
// shipped with this file and also available at: https://github.com/biocpp/biocpp-core/blob/main/LICENSE.md
// -----------------------------------------------------------------------------------------------------
 
#pragma once
 
#include <ranges>
 
#include <bio/alphabet/concept.hpp>
#include <bio/ranges/views/deep.hpp>
 
namespace bio::ranges::views
{
 
inline auto const to_rank = deep{std::views::transform(
  [](auto const in) noexcept
  {
      static_assert(alphabet::semialphabet<decltype(in)>,
                    "The value type of bio::views::to_rank must model the bio::alphabet::alphabet.");
      return bio::alphabet::to_rank(in);
  })};
 
 
} // namespace bio::ranges::views