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Copy pathtestzip_longest.cpp
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81 lines (75 loc) · 2.53 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 & o, const boost::optional<T> & opt) {
if (opt) {
std::cout << **opt << std::endl;
}
else {
std::cout << "Object disengaged of type " << typeid(T).name() << std::endl;
}
return o;
}
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;
//has to deref iter and the optional object
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<<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;
}
return 0;
}