関数型プログラミング言語Haskell Part33

[694 デフォルトの名無しさん 2021/01/27(水) 11:32:01.04 ID:fGEABlaN]

comb7 = x : xs
xs = zipWith f comb7 ys
ys = tail zs
zs = map g comb7
zs = map g (x : xs)
= g x : map g xs
ys = tail (g x : map g xs)
= map g xs
xs = zipWith f comb7 (map g xs) -- ここで(map g xs)のパターンマッチができない