rank_to.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
{
 
template <typename alphabet_type>
    requires alphabet::writable_semialphabet<alphabet_type>
inline auto const rank_to = deep{std::views::transform([](alphabet::rank_t<alphabet_type> const in) -> alphabet_type
                                                       { return alphabet::assign_rank_to(in, alphabet_type{}); })};
 
 
} // namespace bio::ranges::views