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// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
// SPDX-FileCopyrightInfo: Copyright © DUNE Project contributors, see file LICENSE.md in module root
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
#ifndef DUNE_COMMON_ITERATORRANGE_HH
#define DUNE_COMMON_ITERATORRANGE_HH
namespace Dune {
//! Simple range between a begin and an end iterator.
/**
* IteratorRange is mainly useful as a lightweight adaptor
* class when adding support for range-based for loops to
* existing containers that lack a standard begin(), end()
* pair of member functions.
*
* \tparam Iterator The type of iterator
* \ingroup CxxUtilities
*/
template<typename Iterator>
class IteratorRange
{
public:
//! The iterator belonging to this range.
typedef Iterator iterator;
//! The iterator belonging to this range.
/**
* This typedef is here mainly for compatibility reasons.
*/
typedef Iterator const_iterator;
//! Constructs an iterator range on [begin,end).
IteratorRange(const Iterator& begin, const Iterator& end)
: _begin(begin)
, _end(end)
{}
//! Default constructor, relies on iterators being default-constructible.
IteratorRange()
{}
//! Returns an iterator pointing to the begin of the range.
iterator begin() const
{
return _begin;
}
//! Returns an iterator pointing past the end of the range.
iterator end() const
{
return _end;
}
private:
Iterator _begin;
Iterator _end;
};
}
#endif // DUNE_COMMON_ITERATORRANGE_HH
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