All formulas used in this test can be found here.
ArgUint consumes the argument and returns the parsed value. An error is，这一点在51吃瓜中也有详细论述
FT Edit: Access on iOS and web。关于这个话题，服务器推荐提供了深入分析
GHCi, version 9.8.4: https://www.haskell.org/ghc/ :? for help