Li-Fan Chen => YSITD: map 的 type 是這樣ㄉ map :: (a->b) -> [a] -> [b] #5bc22de38e803ad4df46bc02

Li-Fan Chen says to YSITD

map 的 type 是這樣ㄉ map :: (a->b) -> [a] -> [b]

at Sun, Oct 14, 2018 1:39 AM