// A simple example to capture the following task dependencies.

//

// TaskA---->TaskB---->TaskD

// TaskA---->TaskC---->TaskD

#include <taskflow/taskflow.hpp> // the only include you need

int main(){

tf::Taskflow tf;

auto [A, B, C, D] = tf.emplace(

[] () { std::cout << "TaskA\n"; }, //

[] () { std::cout << "TaskB\n"; }, // +---+

[] () { std::cout << "TaskC\n"; }, // +---->| B |-----+

[] () { std::cout << "TaskD\n"; } // | +---+ |

); // +---+ +-v-+

// | A | | D |

A.precede(B); // B runs after A // +---+ +-^-+

A.precede(C); // C runs after A // | +---+ |

B.precede(D); // D runs after B // +---->| C |-----+

C.precede(D); // D runs after C // +---+

tf.wait_for_all(); // block until finished

return 0;

}