rank_to.hpp

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// -----------------------------------------------------------------------------------------------------
// Copyright (c) 2006-2022, Knut Reinert & Freie Universität Berlin
// Copyright (c) 2016-2022, 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/seqan/seqan3/blob/master/LICENSE.md
// -----------------------------------------------------------------------------------------------------
 
#pragma once
 
#include <ranges>
 
#include <seqan3/alphabet/concept.hpp>
#include <seqan3/utility/views/deep.hpp>
 
namespace seqan3::views
{
template <typename alphabet_type>
    requires writable_semialphabet<alphabet_type>
inline auto const rank_to = deep{std::views::transform(
    [](alphabet_rank_t<alphabet_type> const in) -> alphabet_type
    {
        return assign_rank_to(in, alphabet_type{});
    })};
 
} // namespace seqan3::views