Method anIntAPI

test/exec/test_create.cpp:46–57

    }

    void anIntAPI(int a, int b, void* context, void (*completed)(void* context, int result))
    {
      // Execute some work asynchronously on some other thread. When its
      // work is finished, pass the result to the callback.
      scope_.spawn(ex::starts_on(pool_.get_scheduler(),
                                 ex::then(ex::just(),
                                          [=]() noexcept
                                          {
                                            auto result = a + b;
                                            completed(context, result);
                                          })));
    }

    void aVoidAPI(void* context, void (*completed)(void* context))
    {