// ==========================================================================
//                 SeqAn - The Library for Sequence Analysis
// ==========================================================================
// Copyright (c) 2006-2013, Knut Reinert, FU Berlin
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * 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.
//     * Neither the name of Knut Reinert or the FU Berlin 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 KNUT REINERT OR THE FU BERLIN 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
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// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
// DAMAGE.
//
// ==========================================================================
// Author: Manuel Holtgrewe <manuel.holtgrewe@fu-berlin.de>
// ==========================================================================
// Example program used in the documentation of the enable-if metaprogramming
// utilities.
// ==========================================================================

#include <cstdio>

#include <seqan/basic.h>

// Demo worker for seqan::Loop<>.
//![print worker]
struct PrintWorker
{
    static inline void body(seqan::Nothing & arg, int I)
    {
        (void)arg;  // ignored
        printf("%d\n", I);
    }
};
//![print worker]

int main()
{
    // Call to PrintWorker::body() through seqan::Loop<>.
    {
//![print worker call loop]
    seqan::Nothing nothing;
    seqan::Loop<PrintWorker, 10>::run(nothing);
    // This will print the numbers 1, 2, ..., 9, 10.
//![print worker call loop]
    }

    // Call to PrintWorker::body() through seqan::LoopReverse<>.
    {
//![print worker call loop reverse]
    seqan::Nothing nothing;
    seqan::LoopReverse<PrintWorker, 10>::run(nothing);
    // This will print the numbers 10, 9, ..., 2, 1.
//![print worker call loop reverse]
    }

    return 0;
}
