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test_zip_iterator.cc
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test_zip_iterator.cc
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/**
* @file test_zip_iterator.cc
*
* @author Nicolas Richart
*
* @date creation Fri Jul 21 2017
*
* @brief test the zip container and iterator
*
* @section LICENSE
*
* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_zip.hh"
/* -------------------------------------------------------------------------- */
#include <iostream>
#include <vector>
/* -------------------------------------------------------------------------- */
using namespace akantu;
template <class T> class A {
public:
A() = default;
A(T a) : a(a){};
A(const A & other) : a(other.a), counter(other.counter + 1) {}
A & operator=(const A & other) {
a = other.a;
counter = other.counter + 1;
return *this;
}
A & operator*=(const T & b) {
a *= b;
return *this;
}
void to_stream(std::ostream & stream) const {
stream << a << " [" << counter << "]";
}
private:
T a;
size_t counter{0};
};
template <class T>
std::ostream & operator<<(std::ostream & stream, const A<T> & a) {
a.to_stream(stream);
return stream;
}
/* -------------------------------------------------------------------------- */
int main() {
std::vector<A<int>> a{1, 2, 3, 4, 5};
const std::vector<A<float>> b{6., 7., 8., 9., 10.};
auto aend = a.end();
auto ait = a.begin();
auto bit = b.begin();
for (; ait != aend; ++ait, ++bit) {
std::cout << *ait << " " << *bit << std::endl;
}
for (auto pair : zip(a, b)) {
std::cout << std::get<0>(pair) << " " << std::get<0>(pair) << std::endl;
std::get<0>(pair) *= 10;
}
ait = a.begin();
bit = b.begin();
for (; ait != aend; ++ait, ++bit) {
std::cout << *ait << " " << *bit << std::endl;
}
return 0;
}

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