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19.1 - P189 函子 (State s) 实例化部分注释 #42

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liuhk388 opened this issue Mar 23, 2017 · 1 comment

liuhk388 commented Mar 23, 2017

注释第三行最后笔误：
-- fmap :: (a -> b) -> (s -> (a, s)) -> (s, (b,s))
, 应为 ->
-- fmap :: (a -> b) -> (s -> (a, s)) -> (s -> (b,s))

liuhk388 changed the title ~~19.1 P189 函子 (State s) 实例化部分注释~~ 19.1 - P189 函子 (State s) 实例化部分注释

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winterland1989 commented Mar 23, 2017

😂😂😂 多谢

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