2
本定义适用于ghci
:什么是弗雷格相当于哈斯克尔的分数?
recip :: Fractional a ⇒ a → a
recip n = 1/n
尝一尝在frege-repl
我:
E <console>.fr:6: can't resolve `Fractional`, did you mean `Exceptional`
perhaps?
"Hoogling"Fractional
给我什么。
尝试hoogling'(/)'代替。 –
@DanielWagner应该把它叫做“Froogling”吗? –