// ==========================================================================
//                 SeqAn - The Library for Sequence Analysis
// ==========================================================================
// Copyright (c) 2006-2026, 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:
//
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//       notice, this list of conditions and the following disclaimer.
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//       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
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//
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// ==========================================================================
// 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>

using namespace seqan2;

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

};
//![print worker]

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

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

    return 0;
}