range.h

// Description: Iterator ranges
// Documentation: iterator.txt

#ifndef PASTELSYS_RANGE_H
#define PASTELSYS_RANGE_H

#include "pastel/sys/mytypes.h"

#include <range/v3/algorithm.hpp>
#include <range/v3/view.hpp>
#include <range/v3/range/concepts.hpp>
#include <boost/iterator_adaptors.hpp>

namespace Pastel
{

    template <typename Iterator>
    decltype(auto) range(
        const Iterator& begin,
        integer size)
    {
        //ENSURE_OP(size, >=, 0);
        return ranges::subrange(begin, std::next(begin, size));
    }

    template <typename Iterator>
    decltype(auto) range(
        const Iterator& begin,
        const Iterator& end)
    {
        return ranges::subrange(begin, end);
    }

    template <typename Type, int N>
    decltype(auto) range(
        Type (&that)[N])
    {
        return ranges::subrange(
            std::begin(that), std::end(that));
    }

    template <typename Type>
    decltype(auto) range(
        const std::initializer_list<Type>& that)
    {
        return ranges::subrange(
            std::begin(that), std::end(that));
    }

}

#include "pastel/sys/range/constant_range.h"
#include "pastel/sys/range/range_concept.h"
#include "pastel/sys/range/interval_range.h"
#include "pastel/sys/range/sparse_range.h"
#include "pastel/sys/range/transformed_range.h"
#include "pastel/sys/range/union_range.h"
#include "pastel/sys/range/zip_range.h"

#endif