cpp-taskflow/examples/if_else.cpp at master · feiyunwill/cpp-taskflow · GitHub

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// This program demonstrates how to create if-else control flow

// using condition tasks.

#include <taskflow/taskflow.hpp>

int main() {

tf::Executor executor;

tf::Taskflow taskflow;

// create three static tasks and one condition task

auto [init, cond, yes, no] = taskflow.emplace(

[] () { },

[] () { return 0; },

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

[] () { std::cout << "no\n"; }

);

init.name("init");

cond.name("cond");

yes.name("yes");

no.name("no");

cond.succeed(init);

// With this order, when cond returns 0, execution

// moves on to yes. When cond returns 1, execution

// moves on to no.

cond.precede(yes, no);

// dump the conditioned flow

taskflow.dump(std::cout);

executor.run(taskflow).wait();

return 0;

}

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