to_char.hpp

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// -----------------------------------------------------------------------------------------------------
// 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/seqan/seqan3/blob/master/LICENSE.md
// -----------------------------------------------------------------------------------------------------
 
#pragma once
 
#include <seqan3/alphabet/concept.hpp>
#include <seqan3/range/views/deep.hpp>
#include <seqan3/std/ranges>
 
namespace seqan3::views
{
 
inline auto const to_char = deep{std::views::transform([] (auto const in) noexcept
{
    static_assert(alphabet<std::remove_cvref_t<decltype(in)>>, "The value type of seqan3::views::to_char must model the seqan3::alphabet.");
    return seqan3::to_char(in);
})};
 
 
} // namespace seqan3::views