alphabet/exception.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 <concepts>
#include <stdexcept>
#include <string>
 
#include <seqan3/utility/char_operations/pretty_print.hpp>
 
namespace seqan3
{

struct invalid_char_assignment : std::runtime_error
{
    invalid_char_assignment(std::string const & type_name, std::string const & wrong_char) :
        std::runtime_error{std::string{"Assigning "} + wrong_char + " to an alphabet of type " + type_name
                           + " would incur information loss. If you want implicit conversion, use "
                             "seqan3::assign_char instead of seqan3::assign_char_strict."}
    {}

    invalid_char_assignment(std::string const & type_name, char const wrong_char) :
        invalid_char_assignment{type_name, detail::make_printable(wrong_char)}
    {}

    template <std::convertible_to<char> char_t>
    invalid_char_assignment(std::string const & type_name, char_t const wrong_char) :
        invalid_char_assignment{type_name, static_cast<char>(wrong_char)}
    {}
};
 
} // namespace seqan3