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: /*
: Copyright (c) 2025 Giuseppe Roberti.
: All rights reserved.
:
: Redistribution and use in source and binary forms, with or without modification,
: are permitted provided that the following conditions are met:
:
: 1. Redistributions of source code must retain the above copyright notice, this
: list of conditions and the following disclaimer.
:
: 2. Redistributions in binary form must reproduce the above copyright notice,
: this list of conditions and the following disclaimer in the documentation and/or
: other materials provided with the distribution.
:
: 3. Neither the name of the copyright holder nor the names of its contributors
: may be used to endorse or promote products derived from this software without
: specific prior written permission.
:
: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
: DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
: ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
: LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
: ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
: SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
: */
: #pragma once
:
: #include "pars/init.h"
:
: #include <expected>
: #include <system_error>
:
: namespace pars
: {
:
: enum class error
: {
: success = 0
: };
:
: inline static const std::error_category& error_category() noexcept
: {
0 / 1 : static struct : std::error_category
: {
0 / 2 : virtual const char* name() const noexcept override { return "pars"; }
:
0 / 1 : virtual std::string message(int e) const override
: {
0 / 1 : switch (static_cast<error>(e))
: {
0 / 1 : case error::success:
0 / 1 : return "success";
:
0 / 1 : break;
: }
: }
0 / 1 : } error_category;
:
0 / 1 : return error_category;
: }
:
: inline std::error_code make_error_code(pars::error e) noexcept
: {
0 / 1 : return std::error_code(static_cast<int>(e), pars::error_category());
: }
:
: } // namespace pars
:
: template<>
: struct std::is_error_code_enum<pars::error> : true_type
: {
: };
:
: static_assert(std::convertible_to<pars::error, std::error_code>);
:
: static_assert(std::constructible_from<std::error_code, pars::error>);
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