cpp-taskflow/examples/subflow_exception.cpp at master · EMinsight/cpp-taskflow · GitHub

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// This program demonstrates the exception in subflow.

#include <taskflow/taskflow.hpp>

int main() {

tf::Executor executor;

tf::Taskflow taskflow;

taskflow.emplace([](tf::Subflow& sf) {

tf::Task A = sf.emplace([]() {

std::cout << "Task A\n";

throw std::runtime_error("exception on A");

});

tf::Task B = sf.emplace([]() {

std::cout << "Task B\n";

});

A.precede(B);

sf.join();

});

try

{

executor.run(taskflow).get();

}

catch (const std::runtime_error& re)

{

std::cout << "exception thrown from running the taskflow: " << re.what() << '\n';

}

return 0;

}

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