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// ==========================================================================
// 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:
//
// * 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
// 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.
//
// ==========================================================================
#ifndef SEQAN_HEADER_MISC_BASE_H
#define SEQAN_HEADER_MISC_BASE_H
//////////////////////////////////////////////////////////////////////////////
namespace seqan2
{
//////////////////////////////////////////////////////////////////////////////
// In SeqAn sets and maps store elements as pairs of (key,object)
// the elements of sets without objects are the keys.
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
// Key/Object meta-functions
//////////////////////////////////////////////////////////////////////////////
/* moved to basic_h, see #6
template <typename TElement>
struct Key {
typedef TElement Type;
};
*/
/* moved to basic_aggregates
template <typename TKey, typename TObject, typename TSpec>
struct Key< Pair<TKey, TObject, TSpec> >
{
typedef TKey Type;
};
*/
//////////////////////////////////////////////////////////////////////////////
template <typename TElement>
struct Object {
typedef Nothing Type;
};
template <typename TKey, typename TObject, typename TSpec>
struct Object< Pair<TKey, TObject, TSpec> > {
typedef TObject Type;
};
//////////////////////////////////////////////////////////////////////////////
// keyOf function
//////////////////////////////////////////////////////////////////////////////
template <typename TElement>
inline typename Key<TElement const>::Type &
keyOf(TElement const & element)
{
return element;
}
template <typename TKey, typename TObject, typename TSpec>
inline TKey const &
keyOf(Pair<TKey, TObject, TSpec> const &element) {
return element.i1;
}
//////////////////////////////////////////////////////////////////////////////
// objectOf
//////////////////////////////////////////////////////////////////////////////
template <typename TKey, typename TObject, typename TSpec>
inline TObject &
objectOf(Pair<TKey, TObject, TSpec> &element) {
return element.i2;
}
template <typename TKey, typename TObject, typename TSpec>
inline TObject const &
objectOf(Pair<TKey, TObject, TSpec> const &element) {
return element.i2;
}
}
#endif
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