// 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;

tf::Framework f;

std::mutex mtx;

auto [A, B, C] = f.emplace(

[&] () {

std::scoped_lock lock(mtx);

std::puts("TaskA");

},

[&] (auto &subflow) {

std::scoped_lock lock(mtx);

std::puts("TaskB");

subflow.emplace([&](){

std::scoped_lock lock(mtx);

std::puts("TaskB1");

});

subflow.emplace([&](){

std::scoped_lock lock(mtx);

std::puts("TaskB2");

});

subflow.detach();

},

[&] () {

std::scoped_lock lock(mtx);

std::puts("TaskC");

}

);

A.name("A");

B.name("B");

C.name("C");

// Linear

A.precede(B);

B.precede(C);

tf.pipeline_until(f, [iter = 3]() mutable {

std::cout << "iter = " << iter << std::endl;

return iter -- == 0; }, [](){}

).get();

//std::cout << f.dump() << std::endl;

//tf.wait_for_all(); // block until finished

return 0;

}