Commit 8d09a86

#ifndef REPEAT_HPP

#define REPEAT_HPP

#include <iostream>

#include <iterator_range.hpp>

#include <iterator>

namespace iter {

template <typename Elem>

struct repeat_iter {

const Elem elem;

size_t until;

size_t start=0;

repeat_iter(const Elem & elem,

size_t until) :

elem(elem),

until(until) {}

repeat_iter & operator++() {

if (until != 0) ++start; //no point in repeating 0 times

//so use that to repeat infinitely

return *this;

}

bool operator!=(const repeat_iter & rhs) {

if (until == 0) return true;

else if (start != until) return true;

else return false;

}

Elem operator*()

{

return elem;

}

};

template <typename Elem>

iterator_range<repeat_iter<Elem>> repeat(

const Elem & elem,

size_t until=0)

//-1 causes it to repeat infintely

{

return iterator_range<repeat_iter<Elem>>(

repeat_iter<Elem>(elem,until),

repeat_iter<Elem>(elem,until));//just a dummy iter

}

}

#endif //REPEAT_HPP