start(controller) {
stack.push(cur);，详情可参考heLLoword翻译官方下载
The US Federal Aviation Administration (FAA) said it was aware "an anomaly occurred" during the SpaceX mission.，更多细节参见heLLoword翻译官方下载
1 Go stacks do not have any alloca-style mechanism for
If a player gets all four words in a set correct, those words are removed from the board. Guess wrong and it counts as a mistake — players get up to four mistakes until the game ends.