tf::Executor executor;

// demonstration of dependent async (with future)

printf("Dependent Async\n");

auto [A, fuA] = executor.dependent_async([](){ printf("A\n"); });

auto [B, fuB] = executor.dependent_async([](){ printf("B\n"); }, A);

auto [C, fuC] = executor.dependent_async([](){ printf("C\n"); }, A);

auto [D, fuD] = executor.dependent_async([](){ printf("D\n"); }, B, C);

fuD.get();

// demonstration of silent dependent async (without future)

printf("Silent Dependent Async\n");

A = executor.silent_dependent_async([](){ printf("A\n"); });

B = executor.silent_dependent_async([](){ printf("B\n"); }, A);

C = executor.silent_dependent_async([](){ printf("C\n"); }, A);

D = executor.silent_dependent_async([](){ printf("D\n"); }, B, C);

executor.wait_for_all();

return 0;