// The program demonstrates how to cancel a submitted taskflow
// graph and wait until the cancellation completes.

#include   

int main() {

  tf::Executor executor;
  tf::Taskflow taskflow("cancel");
  
  // We create a taskflow graph of 1000 tasks each of 1 second.
  // Ideally, the taskflow completes in 1000/P seconds, where P
  // is the number of workers.
  for(int i=0; i