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Copy pathtestzip_longest.cpp
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96 lines (88 loc) · 3.2 KB
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#include <zip_longest.hpp>
#include <vector>
#include <string>
#include <iostream>
#include <array>
#include <boost/optional.hpp>
using iter::zip_longest;
template <typename T>
std::ostream & operator<<(std::ostream & out, const boost::optional<T>& opt) {
if (opt) {
out << "Just " << *opt;
} else {
out << "Nothing";
}
return out;
}
int main() {
//Ryan's test
{
std::vector<int> ivec{1, 4, 9, 16, 25, 36};
std::vector<std::string> svec{"hello", "good day", "goodbye"};
for (auto e : zip_longest(ivec, svec)) {
std::cout << std::get<0>(e) << std::endl;
std::cout << std::get<1>(e) << std::endl;
}
for (auto e : zip_longest("helloworld",
std::vector<int>{1,2,3})) {
std::cout << std::get<0>(e) << std::endl;
std::cout << std::get<1>(e) << std::endl;
}
}
//Aaron's test
{
std::array<int,4> i{{1,2,3,4}};
std::vector<float> f{1.2,1.4,12.3,4.5,9.9};
std::vector<std::string> s{"i","like","apples","alot","dude"};
std::array<double,5> d{{1.2,1.2,1.2,1.2,1.2}};
std::cout << std::endl << "Variadic template zip_longest" << std::endl;
for (auto e : iter::zip_longest(i,f,s,d)) {
std::cout << std::get<0>(e) << ' '
<< std::get<1>(e) << ' '
<< std::get<2>(e) << ' '
<< std::get<3>(e) << std::endl;
*std::get<1>(e)=2.2f; //modify the float array
}
std::cout<<"modified array" <<std::endl;
for (auto e : iter::zip_longest(i,s,f,d)) {
std::cout << std::get<0>(e) << ' '
<< std::get<1>(e) << ' '
<< std::get<2>(e) << ' '
<< std::get<3>(e) << std::endl;
}
std::cout << std::endl << "Try some weird range differences" << std::endl;
std::vector<int> empty{};
for (auto e : iter::zip_longest(empty,f,s,d)) {
std::cout << std::get<0>(e) << ' '
<< std::get<1>(e) << ' '
<< std::get<2>(e) << ' '
<< std::get<3>(e) << std::endl;
}
std::cout<<std::endl;
for (auto e : iter::zip_longest(f,empty,s,d)) {
std::cout << std::get<0>(e) << ' '
<< std::get<1>(e) << ' '
<< std::get<2>(e) << ' '
<< std::get<3>(e) << std::endl;
}
std::cout<<std::endl;
for (auto e : iter::zip_longest(f,s,i,d)) {
std::cout << std::get<0>(e) << ' '
<< std::get<1>(e) << ' '
<< std::get<2>(e) << ' '
<< std::get<3>(e) << std::endl;
}
std::cout<<std::endl;
for (auto e : iter::zip_longest(std::initializer_list<int>{1,2,3,4,5,6},
std::initializer_list<double>{1.1,2.2,3.3,4.4},
std::initializer_list<double>{1.1,2.2,3.3,4.4},
std::array<int,3>{{1,2,3}})) {
std::cout << std::get<0>(e) << ' '
<< std::get<1>(e) << ' '
<< std::get<2>(e) << ' '
<< std::get<3>(e) << std::endl;
}
std::cout<<std::endl;
}
return 0;
}