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MakeLenses.hs编译错误

Open bluebirddm opened this issue 7 years ago • 1 comments

qq20180204-200148 qq20180204-200131

bluebirddm avatar Feb 04 '18 12:02 bluebirddm

是新版的 ghc 的语言变化造成了,需要显式的通过 ForallT 引入类型变量 f ,新版书会做相应更新,多谢!

winterland1989 avatar Feb 08 '18 08:02 winterland1989