Function multi_step_callback_3

tests/test-scheduler-basic-thorough.cpp:238–240

* @brief Multi-step callback for yield testing - step 3 * * Third phase of multi-step processing for callback switching tests. */

 * Third phase of multi-step processing for callback switching tests.
 */
void multi_step_callback_3() {
    test_output.push_back("step_3");
}

/**
 * @brief Callback function for yield test