mirror of https://github.com/djcb/mu.git
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/*
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** Copyright (C) 2019-2020 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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**
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** This program is free software; you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by the
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** Free Software Foundation; either version 3, or (at your option) any
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** later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software Foundation,
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** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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*/
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#ifndef MU_RESULT_HH__
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#define MU_RESULT_HH__
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#include "expected.hpp"
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#include "utils/mu-error.hh"
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namespace Mu {
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/**
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* A Result is _either_ some value of type T, _or_ an error.
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*/
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template <typename T> using Result = tl::expected<T, Error>;
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template <typename T> typename Result<T>::expected_type
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Ok(T&& t) {
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return Result<T>::expected(std::move(t));
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}
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template <typename T> typename Result<T>::unexpected_type
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Err(Error&& err) {
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return Result<T>::unexpected(std::move(err));
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}
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} // namespace Mu
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#endif /* MU_ERROR_HH__ */
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