70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
#include "rxcpp/rx.hpp"
|
|
// create alias' to simplify code
|
|
// these are owned by the user so that
|
|
// conflicts can be managed by the user.
|
|
namespace rx=rxcpp;
|
|
namespace rxu=rxcpp::util;
|
|
|
|
#include<string>
|
|
|
|
// At this time, RxCpp will fail to compile if the contents
|
|
// of the std namespace are merged into the global namespace
|
|
// DO NOT USE: 'using namespace std;'
|
|
|
|
#if 0
|
|
//
|
|
// println will insert values into the specified stream
|
|
//
|
|
template<class OStream>
|
|
struct println_function
|
|
{
|
|
OStream& os;
|
|
println_function(OStream& os) : os(os) {}
|
|
|
|
template<class... TN>
|
|
void operator()(const TN&... tn) const {
|
|
bool inserts[] = {(os << tn, true)...};
|
|
os << std::endl;
|
|
}
|
|
|
|
template<class... TN>
|
|
void operator()(const std::tuple<TN...>& tpl) const {
|
|
apply(tpl, *this);
|
|
}
|
|
};
|
|
template<class OStream>
|
|
auto println(OStream& os)
|
|
-> println_function<OStream> {
|
|
return println_function<OStream>(os);
|
|
}
|
|
#endif
|
|
|
|
#ifdef UNICODE
|
|
int wmain()
|
|
#else
|
|
int main()
|
|
#endif
|
|
{
|
|
auto get_names = [](){return rx::observable<>::from<std::string>(
|
|
"Matthew",
|
|
"Aaron"
|
|
);};
|
|
|
|
std::cout << "===== println stream of std::string =====" << std::endl;
|
|
auto hello_str = [&](){return get_names().map([](std::string n){
|
|
return "Hello, " + n + "!";
|
|
}).as_dynamic();};
|
|
|
|
hello_str().subscribe(rxu::println(std::cout));
|
|
|
|
std::cout << "===== println stream of std::tuple =====" << std::endl;
|
|
auto hello_tpl = [&](){return get_names().map([](std::string n){
|
|
return std::make_tuple("Hello, ", n, "! (", n.size(), ")");
|
|
}).as_dynamic();};
|
|
|
|
hello_tpl().subscribe(rxu::println(std::cout));
|
|
|
|
hello_tpl().subscribe(rxu::print_followed_by(std::cout, " and "), rxu::endline(std::cout));
|
|
return 0;
|
|
}
|