debug_stream_alphabet.hpp

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// SPDX-FileCopyrightText: 2006-2025 Knut Reinert & Freie Universität Berlin
// SPDX-FileCopyrightText: 2016-2025 Knut Reinert & MPI für molekulare Genetik
// SPDX-License-Identifier: BSD-3-Clause
 
#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 <alphabet alphabet_t>
struct alphabet_printer<alphabet_t>
{
    template <typename stream_t>
    constexpr void operator()(stream_t & stream, alphabet_t const letter) const noexcept
    {
        stream << to_char(letter);
    }
};
 
// forward declare seqan3::mask
class mask;
 
template <std::same_as<mask> mask_t>
struct mask_printer<mask_t>
{
    template <typename stream_t>
    constexpr void operator()(stream_t & stream, mask_t const arg) const noexcept
    {
        // seqan3::mask is incomplete at this point, so we cannot use `arg == mask{}`
        stream << (arg == mask_t{} ? "UNMASKED" : "MASKED");
    }
};
 
} // namespace seqan3