小编Rau*_*des的帖子

我一直得到"错误:输入解析错误'|' "有人可以告诉我为什么吗？我已经重写了它,以确保所有正确的空格都是我的代码:

 mylast :: (Eq a) => [a] -> [a]  
 mylast [] = []  
 mylast (x:xs)  
   | xs == [] : x  
   | otherwise = mylast xs