ulib/3party/rxcpp/Rx/v2/examples/doxygen/tap.cpp

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2024-01-10 09:33:36 +08:00
#include "rxcpp/rx.hpp"
namespace rxu=rxcpp::util;
#include "rxcpp/rx-test.hpp"
#include "catch.hpp"
SCENARIO("tap sample"){
printf("//! [tap sample]\n");
auto values = rxcpp::observable<>::range(1, 3).
tap(
[](int v){printf("Tap - OnNext: %d\n", v);},
[](){printf("Tap - OnCompleted\n");});
values.
subscribe(
[](int v){printf("Subscribe - OnNext: %d\n", v);},
[](){printf("Subscribe - OnCompleted\n");});
printf("//! [tap sample]\n");
}
SCENARIO("error tap sample"){
printf("//! [error tap sample]\n");
auto values = rxcpp::observable<>::range(1, 3).
concat(rxcpp::observable<>::error<int>(std::runtime_error("Error from source"))).
tap(
[](int v){printf("Tap - OnNext: %d\n", v);},
[](std::exception_ptr ep){
printf("Tap - OnError: %s\n", rxu::what(ep).c_str());
},
[](){printf("Tap - OnCompleted\n");});
values.
subscribe(
[](int v){printf("Subscribe - OnNext: %d\n", v);},
[](std::exception_ptr ep){
printf("Subscribe - OnError: %s\n", rxu::what(ep).c_str());
},
[](){printf("Subscribe - OnCompleted\n");});
printf("//! [error tap sample]\n");
}