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README.manpages

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    array_size.h 1.14 KiB
    /*
     *  Copyright (C) 2015-2017 Savoir-faire Linux Inc.
     *
     *  Author: Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>
     *
     *  This program is free software; you can redistribute it and/or modify
     *  it under the terms of the GNU General Public License as published by
     *  the Free Software Foundation; either version 3 of the License, or
     *  (at your option) any later version.
     *
     *  This program is distributed in the hope that it will be useful,
     *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     *  GNU General Public License for more details.
     *
     *  You should have received a copy of the GNU General Public License
     *  along with this program; if not, write to the Free Software
     *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
     */
    
    #pragma once
    
    #include <cstdlib>
    
    namespace ring {
    
    // Returns the number of elements in given-by-reference array of type T.
    // Borrowed from Scott Meyers in "Effective Modern C++".
    template<typename T, std::size_t N>
    constexpr std::size_t arraySize(T (&)[N]) noexcept { return N; }
    
    } // namespace ring