debug_stream_alphabet.hpp

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// -----------------------------------------------------------------------------------------------------
// Copyright (c) 2006-2021, Knut Reinert & Freie Universität Berlin
// Copyright (c) 2016-2021, 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/core/debug_stream/debug_stream_type.hpp>
#include <seqan3/io/stream/concept.hpp>
 
namespace seqan3
{
template <typename char_t, alphabet alphabet_t>
inline debug_stream_type<char_t> & operator<<(debug_stream_type<char_t> & s, alphabet_t && l)
    requires (!output_stream_over<std::basic_ostream<char_t>, alphabet_t>)
{
    return s << to_char(l);
}
 
// forward declare seqan3::mask
class mask;
 
template <typename char_t, seqan3::semialphabet alphabet_t>
inline debug_stream_type<char_t> & operator<<(debug_stream_type<char_t> & s, alphabet_t && l)
    requires std::same_as<std::remove_cvref_t<alphabet_t>, mask>
{
    return s << (l == alphabet_t{} ? "UNMASKED" : "MASKED");
}
 
 
} // namespace seqan3