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

//

// +---+

// +---->| B |-----+

// | +---+ |

// +---+ +-v-+

// | A | | D |

// +---+ +-^-+

// | +---+ |

// +---->| C |-----+

// +---+

//

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

int main(){

tf::Executor executor;

tf::Taskflow taskflow("simple");

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

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

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

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

[]() { std::cout << "TaskD\n"; }

);

A.precede(B, C); // A runs before B and C

D.succeed(B, C); // D runs after B and C

executor.run(taskflow).wait();

return 0;

}